Home / 3,549.53-4,899.50-2,289.61

Finding the Fourth Proportional to 3,549.53, 4,899.50 and 2,289.61

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Solution

The fourth proportional to 3,549.53, 4,899.50 and 2,289.61 is: 3,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.53 : 4,899.50 = 2,289.61 : x
  2. Step 2: Convert to fraction form
    3,549.53/4,899.50 = 2,289.61/x
  3. Step 3: Cross multiply
    3,549.53x = 4,899.50 × 2,289.61
  4. Step 4: Simplify right side
    3,549.53x = 11,217,932.75
  5. Step 5: Solve for x
    x = 11,217,932.75/3,549.53
  6. Step 6: Final answer
    x = 3,160.40

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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.