Home / 2,372.49-3,558.33-1,123.20

Finding the Fourth Proportional to 2,372.49, 3,558.33 and 1,123.20

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Solution

The fourth proportional to 2,372.49, 3,558.33 and 1,123.20 is: 1,684.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.49 : 3,558.33 = 1,123.20 : x
  2. Step 2: Convert to fraction form
    2,372.49/3,558.33 = 1,123.20/x
  3. Step 3: Cross multiply
    2,372.49x = 3,558.33 × 1,123.20
  4. Step 4: Simplify right side
    2,372.49x = 3,996,716.26
  5. Step 5: Solve for x
    x = 3,996,716.26/2,372.49
  6. Step 6: Final answer
    x = 1,684.61

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1.5x scale

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.