Home / 2,330.69-3,216.35-1,282.82

Finding the Fourth Proportional to 2,330.69, 3,216.35 and 1,282.82

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Solution

The fourth proportional to 2,330.69, 3,216.35 and 1,282.82 is: 1,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,330.69 : 3,216.35 = 1,282.82 : x
  2. Step 2: Convert to fraction form
    2,330.69/3,216.35 = 1,282.82/x
  3. Step 3: Cross multiply
    2,330.69x = 3,216.35 × 1,282.82
  4. Step 4: Simplify right side
    2,330.69x = 4,125,998.11
  5. Step 5: Solve for x
    x = 4,125,998.11/2,330.69
  6. Step 6: Final answer
    x = 1,770.29

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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.