Home / 2,597.13-3,895.70-1,298.30

Finding the Fourth Proportional to 2,597.13, 3,895.70 and 1,298.30

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Solution

The fourth proportional to 2,597.13, 3,895.70 and 1,298.30 is: 1,947.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,597.13 : 3,895.70 = 1,298.30 : x
  2. Step 2: Convert to fraction form
    2,597.13/3,895.70 = 1,298.30/x
  3. Step 3: Cross multiply
    2,597.13x = 3,895.70 × 1,298.30
  4. Step 4: Simplify right side
    2,597.13x = 5,057,761.34
  5. Step 5: Solve for x
    x = 5,057,761.34/2,597.13
  6. Step 6: Final answer
    x = 1,947.44

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Half scale
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Double scale
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Similar ratio
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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.