Home / 3,244.40-4,871.45-3,131.00

Finding the Fourth Proportional to 3,244.40, 4,871.45 and 3,131.00

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Solution

The fourth proportional to 3,244.40, 4,871.45 and 3,131.00 is: 4,701.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.40 : 4,871.45 = 3,131.00 : x
  2. Step 2: Convert to fraction form
    3,244.40/4,871.45 = 3,131.00/x
  3. Step 3: Cross multiply
    3,244.40x = 4,871.45 × 3,131.00
  4. Step 4: Simplify right side
    3,244.40x = 15,252,493.42
  5. Step 5: Solve for x
    x = 15,252,493.42/3,244.40
  6. Step 6: Final answer
    x = 4,701.18

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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.