Home / 2,427.42-3,349.92-1,432.98

Finding the Fourth Proportional to 2,427.42, 3,349.92 and 1,432.98

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Solution

The fourth proportional to 2,427.42, 3,349.92 and 1,432.98 is: 1,977.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.42 : 3,349.92 = 1,432.98 : x
  2. Step 2: Convert to fraction form
    2,427.42/3,349.92 = 1,432.98/x
  3. Step 3: Cross multiply
    2,427.42x = 3,349.92 × 1,432.98
  4. Step 4: Simplify right side
    2,427.42x = 4,800,368.36
  5. Step 5: Solve for x
    x = 4,800,368.36/2,427.42
  6. Step 6: Final answer
    x = 1,977.56

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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.