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Finding the Fourth Proportional to 3,510.78, 4,843.17 and 2,330.34

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Solution

The fourth proportional to 3,510.78, 4,843.17 and 2,330.34 is: 3,214.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510.78 : 4,843.17 = 2,330.34 : x
  2. Step 2: Convert to fraction form
    3,510.78/4,843.17 = 2,330.34/x
  3. Step 3: Cross multiply
    3,510.78x = 4,843.17 × 2,330.34
  4. Step 4: Simplify right side
    3,510.78x = 11,286,232.78
  5. Step 5: Solve for x
    x = 11,286,232.78/3,510.78
  6. Step 6: Final answer
    x = 3,214.74

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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.