Home / 1,666.85-2,500.29-1,565.37

Finding the Fourth Proportional to 1,666.85, 2,500.29 and 1,565.37

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Solution

The fourth proportional to 1,666.85, 2,500.29 and 1,565.37 is: 2,348.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666.85 : 2,500.29 = 1,565.37 : x
  2. Step 2: Convert to fraction form
    1,666.85/2,500.29 = 1,565.37/x
  3. Step 3: Cross multiply
    1,666.85x = 2,500.29 × 1,565.37
  4. Step 4: Simplify right side
    1,666.85x = 3,913,878.96
  5. Step 5: Solve for x
    x = 3,913,878.96/1,666.85
  6. Step 6: Final answer
    x = 2,348.08

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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.