Home / 3,192.50-4,402.40-2,601.20

Finding the Fourth Proportional to 3,192.50, 4,402.40 and 2,601.20

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Solution

The fourth proportional to 3,192.50, 4,402.40 and 2,601.20 is: 3,587.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.50 : 4,402.40 = 2,601.20 : x
  2. Step 2: Convert to fraction form
    3,192.50/4,402.40 = 2,601.20/x
  3. Step 3: Cross multiply
    3,192.50x = 4,402.40 × 2,601.20
  4. Step 4: Simplify right side
    3,192.50x = 11,451,522.88
  5. Step 5: Solve for x
    x = 11,451,522.88/3,192.50
  6. Step 6: Final answer
    x = 3,587.01

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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.