Home / 2,772.30-4,180.13-2,426.70

Finding the Fourth Proportional to 2,772.30, 4,180.13 and 2,426.70

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Solution

The fourth proportional to 2,772.30, 4,180.13 and 2,426.70 is: 3,659.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772.30 : 4,180.13 = 2,426.70 : x
  2. Step 2: Convert to fraction form
    2,772.30/4,180.13 = 2,426.70/x
  3. Step 3: Cross multiply
    2,772.30x = 4,180.13 × 2,426.70
  4. Step 4: Simplify right side
    2,772.30x = 10,143,909.34
  5. Step 5: Solve for x
    x = 10,143,909.34/2,772.30
  6. Step 6: Final answer
    x = 3,659.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.