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Finding the Fourth Proportional to 2,597.30, 3,895.97 and 649.51

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Solution

The fourth proportional to 2,597.30, 3,895.97 and 649.51 is: 974.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.30 : 3,895.97 = 649.51 : x
  2. Step 2: Convert to fraction form
    2,597.30/3,895.97 = 649.51/x
  3. Step 3: Cross multiply
    2,597.30x = 3,895.97 × 649.51
  4. Step 4: Simplify right side
    2,597.30x = 2,530,471.47
  5. Step 5: Solve for x
    x = 2,530,471.47/2,597.30
  6. Step 6: Final answer
    x = 974.27

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Double scale
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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.