Home / 3,136.29-4,326.94-1,877.39

Finding the Fourth Proportional to 3,136.29, 4,326.94 and 1,877.39

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Solution

The fourth proportional to 3,136.29, 4,326.94 and 1,877.39 is: 2,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.29 : 4,326.94 = 1,877.39 : x
  2. Step 2: Convert to fraction form
    3,136.29/4,326.94 = 1,877.39/x
  3. Step 3: Cross multiply
    3,136.29x = 4,326.94 × 1,877.39
  4. Step 4: Simplify right side
    3,136.29x = 8,123,353.89
  5. Step 5: Solve for x
    x = 8,123,353.89/3,136.29
  6. Step 6: Final answer
    x = 2,590.12

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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.