Home / 2,342.38-3,231.90-1,347.94

Finding the Fourth Proportional to 2,342.38, 3,231.90 and 1,347.94

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Solution

The fourth proportional to 2,342.38, 3,231.90 and 1,347.94 is: 1,859.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.38 : 3,231.90 = 1,347.94 : x
  2. Step 2: Convert to fraction form
    2,342.38/3,231.90 = 1,347.94/x
  3. Step 3: Cross multiply
    2,342.38x = 3,231.90 × 1,347.94
  4. Step 4: Simplify right side
    2,342.38x = 4,356,407.29
  5. Step 5: Solve for x
    x = 4,356,407.29/2,342.38
  6. Step 6: Final answer
    x = 1,859.82

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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.