Home / 3,639.24-5,459.20-1,006.92

Finding the Fourth Proportional to 3,639.24, 5,459.20 and 1,006.92

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Solution

The fourth proportional to 3,639.24, 5,459.20 and 1,006.92 is: 1,510.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.24 : 5,459.20 = 1,006.92 : x
  2. Step 2: Convert to fraction form
    3,639.24/5,459.20 = 1,006.92/x
  3. Step 3: Cross multiply
    3,639.24x = 5,459.20 × 1,006.92
  4. Step 4: Simplify right side
    3,639.24x = 5,496,977.66
  5. Step 5: Solve for x
    x = 5,496,977.66/3,639.24
  6. Step 6: Final answer
    x = 1,510.47

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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.