Home / 3,683.04-5,083.20-2,691.60

Finding the Fourth Proportional to 3,683.04, 5,083.20 and 2,691.60

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Solution

The fourth proportional to 3,683.04, 5,083.20 and 2,691.60 is: 3,714.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,683.04 : 5,083.20 = 2,691.60 : x
  2. Step 2: Convert to fraction form
    3,683.04/5,083.20 = 2,691.60/x
  3. Step 3: Cross multiply
    3,683.04x = 5,083.20 × 2,691.60
  4. Step 4: Simplify right side
    3,683.04x = 13,681,941.12
  5. Step 5: Solve for x
    x = 13,681,941.12/3,683.04
  6. Step 6: Final answer
    x = 3,714.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.