Home / 3,549.48-4,898.34-1,977.66

Finding the Fourth Proportional to 3,549.48, 4,898.34 and 1,977.66

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Solution

The fourth proportional to 3,549.48, 4,898.34 and 1,977.66 is: 2,729.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.48 : 4,898.34 = 1,977.66 : x
  2. Step 2: Convert to fraction form
    3,549.48/4,898.34 = 1,977.66/x
  3. Step 3: Cross multiply
    3,549.48x = 4,898.34 × 1,977.66
  4. Step 4: Simplify right side
    3,549.48x = 9,687,251.08
  5. Step 5: Solve for x
    x = 9,687,251.08/3,549.48
  6. Step 6: Final answer
    x = 2,729.20

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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.