Home / 3,630.22-5,442.90-1,681.36

Finding the Fourth Proportional to 3,630.22, 5,442.90 and 1,681.36

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Solution

The fourth proportional to 3,630.22, 5,442.90 and 1,681.36 is: 2,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.22 : 5,442.90 = 1,681.36 : x
  2. Step 2: Convert to fraction form
    3,630.22/5,442.90 = 1,681.36/x
  3. Step 3: Cross multiply
    3,630.22x = 5,442.90 × 1,681.36
  4. Step 4: Simplify right side
    3,630.22x = 9,151,454.43
  5. Step 5: Solve for x
    x = 9,151,454.43/3,630.22
  6. Step 6: Final answer
    x = 2,520.91

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1.5x scale

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.