Home / 2,902.32-4,353.84-2,123.28

Finding the Fourth Proportional to 2,902.32, 4,353.84 and 2,123.28

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Solution

The fourth proportional to 2,902.32, 4,353.84 and 2,123.28 is: 3,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.32 : 4,353.84 = 2,123.28 : x
  2. Step 2: Convert to fraction form
    2,902.32/4,353.84 = 2,123.28/x
  3. Step 3: Cross multiply
    2,902.32x = 4,353.84 × 2,123.28
  4. Step 4: Simplify right side
    2,902.32x = 9,244,421.40
  5. Step 5: Solve for x
    x = 9,244,421.40/2,902.32
  6. Step 6: Final answer
    x = 3,185.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.