Home / 3,147.74-4,344.28-1,750.76

Finding the Fourth Proportional to 3,147.74, 4,344.28 and 1,750.76

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Solution

The fourth proportional to 3,147.74, 4,344.28 and 1,750.76 is: 2,416.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.74 : 4,344.28 = 1,750.76 : x
  2. Step 2: Convert to fraction form
    3,147.74/4,344.28 = 1,750.76/x
  3. Step 3: Cross multiply
    3,147.74x = 4,344.28 × 1,750.76
  4. Step 4: Simplify right side
    3,147.74x = 7,605,791.65
  5. Step 5: Solve for x
    x = 7,605,791.65/3,147.74
  6. Step 6: Final answer
    x = 2,416.27

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Half scale
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Double scale
Find fourth proportional to 3,148.74, 4,345.66 and 1,751.76
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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.