Home / 2,330.79-3,216.48-1,282.86

Finding the Fourth Proportional to 2,330.79, 3,216.48 and 1,282.86

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Solution

The fourth proportional to 2,330.79, 3,216.48 and 1,282.86 is: 1,770.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.79 : 3,216.48 = 1,282.86 : x
  2. Step 2: Convert to fraction form
    2,330.79/3,216.48 = 1,282.86/x
  3. Step 3: Cross multiply
    2,330.79x = 3,216.48 × 1,282.86
  4. Step 4: Simplify right side
    2,330.79x = 4,126,293.53
  5. Step 5: Solve for x
    x = 4,126,293.53/2,330.79
  6. Step 6: Final answer
    x = 1,770.34

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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.