Home / 3,125.59-4,311.69-2,273.88

Finding the Fourth Proportional to 3,125.59, 4,311.69 and 2,273.88

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Solution

The fourth proportional to 3,125.59, 4,311.69 and 2,273.88 is: 3,136.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.59 : 4,311.69 = 2,273.88 : x
  2. Step 2: Convert to fraction form
    3,125.59/4,311.69 = 2,273.88/x
  3. Step 3: Cross multiply
    3,125.59x = 4,311.69 × 2,273.88
  4. Step 4: Simplify right side
    3,125.59x = 9,804,254.29
  5. Step 5: Solve for x
    x = 9,804,254.29/3,125.59
  6. Step 6: Final answer
    x = 3,136.77

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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.