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Finding the Fourth Proportional to 3,146.02, 4,719.02 and 954.74

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Solution

The fourth proportional to 3,146.02, 4,719.02 and 954.74 is: 1,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.02 : 4,719.02 = 954.74 : x
  2. Step 2: Convert to fraction form
    3,146.02/4,719.02 = 954.74/x
  3. Step 3: Cross multiply
    3,146.02x = 4,719.02 × 954.74
  4. Step 4: Simplify right side
    3,146.02x = 4,505,444.18
  5. Step 5: Solve for x
    x = 4,505,444.18/3,146.02
  6. Step 6: Final answer
    x = 1,432.11

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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.