Home / 2,427.81-3,349.24-1,432.54

Finding the Fourth Proportional to 2,427.81, 3,349.24 and 1,432.54

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Solution

The fourth proportional to 2,427.81, 3,349.24 and 1,432.54 is: 1,976.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.81 : 3,349.24 = 1,432.54 : x
  2. Step 2: Convert to fraction form
    2,427.81/3,349.24 = 1,432.54/x
  3. Step 3: Cross multiply
    2,427.81x = 3,349.24 × 1,432.54
  4. Step 4: Simplify right side
    2,427.81x = 4,797,920.27
  5. Step 5: Solve for x
    x = 4,797,920.27/2,427.81
  6. Step 6: Final answer
    x = 1,976.23

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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.