Home / 2,229.48-3,076.68-1,234.76

Finding the Fourth Proportional to 2,229.48, 3,076.68 and 1,234.76

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Solution

The fourth proportional to 2,229.48, 3,076.68 and 1,234.76 is: 1,703.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.48 : 3,076.68 = 1,234.76 : x
  2. Step 2: Convert to fraction form
    2,229.48/3,076.68 = 1,234.76/x
  3. Step 3: Cross multiply
    2,229.48x = 3,076.68 × 1,234.76
  4. Step 4: Simplify right side
    2,229.48x = 3,798,962.75
  5. Step 5: Solve for x
    x = 3,798,962.75/2,229.48
  6. Step 6: Final answer
    x = 1,703.97

Related Problems

Find fourth proportional to 1,114.74, 1,538.34 and 617.38
Half scale
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Double scale
Find fourth proportional to 2,230.48, 3,078.06 and 1,235.76
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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.