Home / 2,183.49-3,013.19-1,188.76

Finding the Fourth Proportional to 2,183.49, 3,013.19 and 1,188.76

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Solution

The fourth proportional to 2,183.49, 3,013.19 and 1,188.76 is: 1,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183.49 : 3,013.19 = 1,188.76 : x
  2. Step 2: Convert to fraction form
    2,183.49/3,013.19 = 1,188.76/x
  3. Step 3: Cross multiply
    2,183.49x = 3,013.19 × 1,188.76
  4. Step 4: Simplify right side
    2,183.49x = 3,581,967.62
  5. Step 5: Solve for x
    x = 3,581,967.62/2,183.49
  6. Step 6: Final answer
    x = 1,640.48

Related Problems

Find fourth proportional to 1,091.74, 1,506.60 and 594.38
Half scale
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Double scale
Find fourth proportional to 2,184.49, 3,014.57 and 1,189.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.