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Finding the Fourth Proportional to 2,300.54, 3,451.35 and 657.11

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Solution

The fourth proportional to 2,300.54, 3,451.35 and 657.11 is: 985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300.54 : 3,451.35 = 657.11 : x
  2. Step 2: Convert to fraction form
    2,300.54/3,451.35 = 657.11/x
  3. Step 3: Cross multiply
    2,300.54x = 3,451.35 × 657.11
  4. Step 4: Simplify right side
    2,300.54x = 2,267,916.60
  5. Step 5: Solve for x
    x = 2,267,916.60/2,300.54
  6. Step 6: Final answer
    x = 985.82

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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.