Home / 3,510.31-5,265.47-913.25

Finding the Fourth Proportional to 3,510.31, 5,265.47 and 913.25

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Solution

The fourth proportional to 3,510.31, 5,265.47 and 913.25 is: 1,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.31 : 5,265.47 = 913.25 : x
  2. Step 2: Convert to fraction form
    3,510.31/5,265.47 = 913.25/x
  3. Step 3: Cross multiply
    3,510.31x = 5,265.47 × 913.25
  4. Step 4: Simplify right side
    3,510.31x = 4,808,690.48
  5. Step 5: Solve for x
    x = 4,808,690.48/3,510.31
  6. Step 6: Final answer
    x = 1,369.88

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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.