Home / 1,677.70-2,516.55-1,062.10

Finding the Fourth Proportional to 1,677.70, 2,516.55 and 1,062.10

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Solution

The fourth proportional to 1,677.70, 2,516.55 and 1,062.10 is: 1,593.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677.70 : 2,516.55 = 1,062.10 : x
  2. Step 2: Convert to fraction form
    1,677.70/2,516.55 = 1,062.10/x
  3. Step 3: Cross multiply
    1,677.70x = 2,516.55 × 1,062.10
  4. Step 4: Simplify right side
    1,677.70x = 2,672,827.76
  5. Step 5: Solve for x
    x = 2,672,827.76/1,677.70
  6. Step 6: Final answer
    x = 1,593.15

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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.