Home / 4,102.20-5,660.32-2,423.48

Finding the Fourth Proportional to 4,102.20, 5,660.32 and 2,423.48

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Solution

The fourth proportional to 4,102.20, 5,660.32 and 2,423.48 is: 3,343.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.20 : 5,660.32 = 2,423.48 : x
  2. Step 2: Convert to fraction form
    4,102.20/5,660.32 = 2,423.48/x
  3. Step 3: Cross multiply
    4,102.20x = 5,660.32 × 2,423.48
  4. Step 4: Simplify right side
    4,102.20x = 13,717,672.31
  5. Step 5: Solve for x
    x = 13,717,672.31/4,102.20
  6. Step 6: Final answer
    x = 3,343.98

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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.