Home / 3,510.19-5,265.59-913.13

Finding the Fourth Proportional to 3,510.19, 5,265.59 and 913.13

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Solution

The fourth proportional to 3,510.19, 5,265.59 and 913.13 is: 1,369.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.19 : 5,265.59 = 913.13 : x
  2. Step 2: Convert to fraction form
    3,510.19/5,265.59 = 913.13/x
  3. Step 3: Cross multiply
    3,510.19x = 5,265.59 × 913.13
  4. Step 4: Simplify right side
    3,510.19x = 4,808,137.30
  5. Step 5: Solve for x
    x = 4,808,137.30/3,510.19
  6. Step 6: Final answer
    x = 1,369.77

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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.