Home / 3,710.90-5,565.44-1,245.66

Finding the Fourth Proportional to 3,710.90, 5,565.44 and 1,245.66

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Solution

The fourth proportional to 3,710.90, 5,565.44 and 1,245.66 is: 1,868.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.90 : 5,565.44 = 1,245.66 : x
  2. Step 2: Convert to fraction form
    3,710.90/5,565.44 = 1,245.66/x
  3. Step 3: Cross multiply
    3,710.90x = 5,565.44 × 1,245.66
  4. Step 4: Simplify right side
    3,710.90x = 6,932,639.76
  5. Step 5: Solve for x
    x = 6,932,639.76/3,710.90
  6. Step 6: Final answer
    x = 1,868.19

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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.