Home / 3,108.61-4,287.84-2,360.88

Finding the Fourth Proportional to 3,108.61, 4,287.84 and 2,360.88

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Solution

The fourth proportional to 3,108.61, 4,287.84 and 2,360.88 is: 3,256.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.61 : 4,287.84 = 2,360.88 : x
  2. Step 2: Convert to fraction form
    3,108.61/4,287.84 = 2,360.88/x
  3. Step 3: Cross multiply
    3,108.61x = 4,287.84 × 2,360.88
  4. Step 4: Simplify right side
    3,108.61x = 10,123,066.85
  5. Step 5: Solve for x
    x = 10,123,066.85/3,108.61
  6. Step 6: Final answer
    x = 3,256.46

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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.