Home / 2,317.68-3,197.46-1,322.76

Finding the Fourth Proportional to 2,317.68, 3,197.46 and 1,322.76

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Solution

The fourth proportional to 2,317.68, 3,197.46 and 1,322.76 is: 1,824.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.68 : 3,197.46 = 1,322.76 : x
  2. Step 2: Convert to fraction form
    2,317.68/3,197.46 = 1,322.76/x
  3. Step 3: Cross multiply
    2,317.68x = 3,197.46 × 1,322.76
  4. Step 4: Simplify right side
    2,317.68x = 4,229,472.19
  5. Step 5: Solve for x
    x = 4,229,472.19/2,317.68
  6. Step 6: Final answer
    x = 1,824.87

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Half scale
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Double scale
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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.