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Finding the Fourth Proportional to 3,146.06, 4,719.11 and 837.56

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Solution

The fourth proportional to 3,146.06, 4,719.11 and 837.56 is: 1,256.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.06 : 4,719.11 = 837.56 : x
  2. Step 2: Convert to fraction form
    3,146.06/4,719.11 = 837.56/x
  3. Step 3: Cross multiply
    3,146.06x = 4,719.11 × 837.56
  4. Step 4: Simplify right side
    3,146.06x = 3,952,545.38
  5. Step 5: Solve for x
    x = 3,952,545.38/3,146.06
  6. Step 6: Final answer
    x = 1,256.35

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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.