Home / 2,330.68-3,216.36-1,282.75

Finding the Fourth Proportional to 2,330.68, 3,216.36 and 1,282.75

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Solution

The fourth proportional to 2,330.68, 3,216.36 and 1,282.75 is: 1,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.68 : 3,216.36 = 1,282.75 : x
  2. Step 2: Convert to fraction form
    2,330.68/3,216.36 = 1,282.75/x
  3. Step 3: Cross multiply
    2,330.68x = 3,216.36 × 1,282.75
  4. Step 4: Simplify right side
    2,330.68x = 4,125,785.79
  5. Step 5: Solve for x
    x = 4,125,785.79/2,330.68
  6. Step 6: Final answer
    x = 1,770.21

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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.