Home / 3,592.08-5,388.12-1,638.48

Finding the Fourth Proportional to 3,592.08, 5,388.12 and 1,638.48

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Solution

The fourth proportional to 3,592.08, 5,388.12 and 1,638.48 is: 2,457.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,592.08 : 5,388.12 = 1,638.48 : x
  2. Step 2: Convert to fraction form
    3,592.08/5,388.12 = 1,638.48/x
  3. Step 3: Cross multiply
    3,592.08x = 5,388.12 × 1,638.48
  4. Step 4: Simplify right side
    3,592.08x = 8,828,326.86
  5. Step 5: Solve for x
    x = 8,828,326.86/3,592.08
  6. Step 6: Final answer
    x = 2,457.72

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Similar ratio
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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.