Home / 3,142.74-4,337.76-1,817.27

Finding the Fourth Proportional to 3,142.74, 4,337.76 and 1,817.27

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Solution

The fourth proportional to 3,142.74, 4,337.76 and 1,817.27 is: 2,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,142.74 : 4,337.76 = 1,817.27 : x
  2. Step 2: Convert to fraction form
    3,142.74/4,337.76 = 1,817.27/x
  3. Step 3: Cross multiply
    3,142.74x = 4,337.76 × 1,817.27
  4. Step 4: Simplify right side
    3,142.74x = 7,882,881.12
  5. Step 5: Solve for x
    x = 7,882,881.12/3,142.74
  6. Step 6: Final answer
    x = 2,508.28

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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.