Home / 3,515.40-5,269.32-1,566

Finding the Fourth Proportional to 3,515.40, 5,269.32 and 1,566

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Solution

The fourth proportional to 3,515.40, 5,269.32 and 1,566 is: 2,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.40 : 5,269.32 = 1,566 : x
  2. Step 2: Convert to fraction form
    3,515.40/5,269.32 = 1,566/x
  3. Step 3: Cross multiply
    3,515.40x = 5,269.32 × 1,566
  4. Step 4: Simplify right side
    3,515.40x = 8,251,755.12
  5. Step 5: Solve for x
    x = 8,251,755.12/3,515.40
  6. Step 6: Final answer
    x = 2,347.32

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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.