Home / 3,542.34-4,889.80-2,660.70

Finding the Fourth Proportional to 3,542.34, 4,889.80 and 2,660.70

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Solution

The fourth proportional to 3,542.34, 4,889.80 and 2,660.70 is: 3,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.34 : 4,889.80 = 2,660.70 : x
  2. Step 2: Convert to fraction form
    3,542.34/4,889.80 = 2,660.70/x
  3. Step 3: Cross multiply
    3,542.34x = 4,889.80 × 2,660.70
  4. Step 4: Simplify right side
    3,542.34x = 13,010,290.86
  5. Step 5: Solve for x
    x = 13,010,290.86/3,542.34
  6. Step 6: Final answer
    x = 3,672.80

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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.