Home / 3,874.59-5,347.04-2,281.32

Finding the Fourth Proportional to 3,874.59, 5,347.04 and 2,281.32

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Solution

The fourth proportional to 3,874.59, 5,347.04 and 2,281.32 is: 3,148.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.59 : 5,347.04 = 2,281.32 : x
  2. Step 2: Convert to fraction form
    3,874.59/5,347.04 = 2,281.32/x
  3. Step 3: Cross multiply
    3,874.59x = 5,347.04 × 2,281.32
  4. Step 4: Simplify right side
    3,874.59x = 12,198,297.89
  5. Step 5: Solve for x
    x = 12,198,297.89/3,874.59
  6. Step 6: Final answer
    x = 3,148.28

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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.