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Finding the Fourth Proportional to 2,296.72, 3,445.08 and 653.41

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Solution

The fourth proportional to 2,296.72, 3,445.08 and 653.41 is: 980.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.72 : 3,445.08 = 653.41 : x
  2. Step 2: Convert to fraction form
    2,296.72/3,445.08 = 653.41/x
  3. Step 3: Cross multiply
    2,296.72x = 3,445.08 × 653.41
  4. Step 4: Simplify right side
    2,296.72x = 2,251,049.72
  5. Step 5: Solve for x
    x = 2,251,049.72/2,296.72
  6. Step 6: Final answer
    x = 980.12

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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.