Home / 3,549.37-4,898.46-1,977.70

Finding the Fourth Proportional to 3,549.37, 4,898.46 and 1,977.70

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Solution

The fourth proportional to 3,549.37, 4,898.46 and 1,977.70 is: 2,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.37 : 4,898.46 = 1,977.70 : x
  2. Step 2: Convert to fraction form
    3,549.37/4,898.46 = 1,977.70/x
  3. Step 3: Cross multiply
    3,549.37x = 4,898.46 × 1,977.70
  4. Step 4: Simplify right side
    3,549.37x = 9,687,684.34
  5. Step 5: Solve for x
    x = 9,687,684.34/3,549.37
  6. Step 6: Final answer
    x = 2,729.41

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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.