Home / 3,139.50-4,705.67-1,753.49

Finding the Fourth Proportional to 3,139.50, 4,705.67 and 1,753.49

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Solution

The fourth proportional to 3,139.50, 4,705.67 and 1,753.49 is: 2,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.50 : 4,705.67 = 1,753.49 : x
  2. Step 2: Convert to fraction form
    3,139.50/4,705.67 = 1,753.49/x
  3. Step 3: Cross multiply
    3,139.50x = 4,705.67 × 1,753.49
  4. Step 4: Simplify right side
    3,139.50x = 8,251,312.99
  5. Step 5: Solve for x
    x = 8,251,312.99/3,139.50
  6. Step 6: Final answer
    x = 2,628.23

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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.