Home / 3,788.32-5,683.20-1,708.40

Finding the Fourth Proportional to 3,788.32, 5,683.20 and 1,708.40

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Solution

The fourth proportional to 3,788.32, 5,683.20 and 1,708.40 is: 2,562.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.32 : 5,683.20 = 1,708.40 : x
  2. Step 2: Convert to fraction form
    3,788.32/5,683.20 = 1,708.40/x
  3. Step 3: Cross multiply
    3,788.32x = 5,683.20 × 1,708.40
  4. Step 4: Simplify right side
    3,788.32x = 9,709,178.88
  5. Step 5: Solve for x
    x = 9,709,178.88/3,788.32
  6. Step 6: Final answer
    x = 2,562.92

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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.