Home / 3,510.17-5,265.25-913.10

Finding the Fourth Proportional to 3,510.17, 5,265.25 and 913.10

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Solution

The fourth proportional to 3,510.17, 5,265.25 and 913.10 is: 1,369.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.17 : 5,265.25 = 913.10 : x
  2. Step 2: Convert to fraction form
    3,510.17/5,265.25 = 913.10/x
  3. Step 3: Cross multiply
    3,510.17x = 5,265.25 × 913.10
  4. Step 4: Simplify right side
    3,510.17x = 4,807,695.21
  5. Step 5: Solve for x
    x = 4,807,695.21/3,510.17
  6. Step 6: Final answer
    x = 1,369.65

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.