Home / 3,666.29-5,490.32-2,565.50

Finding the Fourth Proportional to 3,666.29, 5,490.32 and 2,565.50

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Solution

The fourth proportional to 3,666.29, 5,490.32 and 2,565.50 is: 3,841.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,666.29 : 5,490.32 = 2,565.50 : x
  2. Step 2: Convert to fraction form
    3,666.29/5,490.32 = 2,565.50/x
  3. Step 3: Cross multiply
    3,666.29x = 5,490.32 × 2,565.50
  4. Step 4: Simplify right side
    3,666.29x = 14,085,415.96
  5. Step 5: Solve for x
    x = 14,085,415.96/3,666.29
  6. Step 6: Final answer
    x = 3,841.87

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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.