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Finding the Fourth Proportional to 3,154.95, 4,353.68 and 1,895.27

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Solution

The fourth proportional to 3,154.95, 4,353.68 and 1,895.27 is: 2,615.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.95 : 4,353.68 = 1,895.27 : x
  2. Step 2: Convert to fraction form
    3,154.95/4,353.68 = 1,895.27/x
  3. Step 3: Cross multiply
    3,154.95x = 4,353.68 × 1,895.27
  4. Step 4: Simplify right side
    3,154.95x = 8,251,382.06
  5. Step 5: Solve for x
    x = 8,251,382.06/3,154.95
  6. Step 6: Final answer
    x = 2,615.38

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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.