Home / 3,553.79-4,903.65-2,137.13

Finding the Fourth Proportional to 3,553.79, 4,903.65 and 2,137.13

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Solution

The fourth proportional to 3,553.79, 4,903.65 and 2,137.13 is: 2,948.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.79 : 4,903.65 = 2,137.13 : x
  2. Step 2: Convert to fraction form
    3,553.79/4,903.65 = 2,137.13/x
  3. Step 3: Cross multiply
    3,553.79x = 4,903.65 × 2,137.13
  4. Step 4: Simplify right side
    3,553.79x = 10,479,737.52
  5. Step 5: Solve for x
    x = 10,479,737.52/3,553.79
  6. Step 6: Final answer
    x = 2,948.89

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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.