Home / 2,330.76-3,216.33-1,282.62

Finding the Fourth Proportional to 2,330.76, 3,216.33 and 1,282.62

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Solution

The fourth proportional to 2,330.76, 3,216.33 and 1,282.62 is: 1,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.76 : 3,216.33 = 1,282.62 : x
  2. Step 2: Convert to fraction form
    2,330.76/3,216.33 = 1,282.62/x
  3. Step 3: Cross multiply
    2,330.76x = 3,216.33 × 1,282.62
  4. Step 4: Simplify right side
    2,330.76x = 4,125,329.18
  5. Step 5: Solve for x
    x = 4,125,329.18/2,330.76
  6. Step 6: Final answer
    x = 1,769.95

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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.