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Finding the Fourth Proportional to 3,156.56, 4,734.84 and 2,476.88

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Solution

The fourth proportional to 3,156.56, 4,734.84 and 2,476.88 is: 3,715.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,156.56 : 4,734.84 = 2,476.88 : x
  2. Step 2: Convert to fraction form
    3,156.56/4,734.84 = 2,476.88/x
  3. Step 3: Cross multiply
    3,156.56x = 4,734.84 × 2,476.88
  4. Step 4: Simplify right side
    3,156.56x = 11,727,630.50
  5. Step 5: Solve for x
    x = 11,727,630.50/3,156.56
  6. Step 6: Final answer
    x = 3,715.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.