Home / 3,549.50-4,898.25-1,977.56

Finding the Fourth Proportional to 3,549.50, 4,898.25 and 1,977.56

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Solution

The fourth proportional to 3,549.50, 4,898.25 and 1,977.56 is: 2,729.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.50 : 4,898.25 = 1,977.56 : x
  2. Step 2: Convert to fraction form
    3,549.50/4,898.25 = 1,977.56/x
  3. Step 3: Cross multiply
    3,549.50x = 4,898.25 × 1,977.56
  4. Step 4: Simplify right side
    3,549.50x = 9,686,595.52
  5. Step 5: Solve for x
    x = 9,686,595.52/3,549.50
  6. Step 6: Final answer
    x = 2,729.00

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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.