Home / 2,330.73-3,216.47-1,282.79

Finding the Fourth Proportional to 2,330.73, 3,216.47 and 1,282.79

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Solution

The fourth proportional to 2,330.73, 3,216.47 and 1,282.79 is: 1,770.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.73 : 3,216.47 = 1,282.79 : x
  2. Step 2: Convert to fraction form
    2,330.73/3,216.47 = 1,282.79/x
  3. Step 3: Cross multiply
    2,330.73x = 3,216.47 × 1,282.79
  4. Step 4: Simplify right side
    2,330.73x = 4,126,033.06
  5. Step 5: Solve for x
    x = 4,126,033.06/2,330.73
  6. Step 6: Final answer
    x = 1,770.28

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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.