Home / 3,710.96-5,565.06-1,245.20

Finding the Fourth Proportional to 3,710.96, 5,565.06 and 1,245.20

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Solution

The fourth proportional to 3,710.96, 5,565.06 and 1,245.20 is: 1,867.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.96 : 5,565.06 = 1,245.20 : x
  2. Step 2: Convert to fraction form
    3,710.96/5,565.06 = 1,245.20/x
  3. Step 3: Cross multiply
    3,710.96x = 5,565.06 × 1,245.20
  4. Step 4: Simplify right side
    3,710.96x = 6,929,612.71
  5. Step 5: Solve for x
    x = 6,929,612.71/3,710.96
  6. Step 6: Final answer
    x = 1,867.34

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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.