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Finding the Fourth Proportional to 3,154.07, 4,731.19 and 962.82

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Solution

The fourth proportional to 3,154.07, 4,731.19 and 962.82 is: 1,444.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.07 : 4,731.19 = 962.82 : x
  2. Step 2: Convert to fraction form
    3,154.07/4,731.19 = 962.82/x
  3. Step 3: Cross multiply
    3,154.07x = 4,731.19 × 962.82
  4. Step 4: Simplify right side
    3,154.07x = 4,555,281.95
  5. Step 5: Solve for x
    x = 4,555,281.95/3,154.07
  6. Step 6: Final answer
    x = 1,444.25

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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.