Home / 1,902.64-2,848.56-1,251.40

Finding the Fourth Proportional to 1,902.64, 2,848.56 and 1,251.40

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Solution

The fourth proportional to 1,902.64, 2,848.56 and 1,251.40 is: 1,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,902.64 : 2,848.56 = 1,251.40 : x
  2. Step 2: Convert to fraction form
    1,902.64/2,848.56 = 1,251.40/x
  3. Step 3: Cross multiply
    1,902.64x = 2,848.56 × 1,251.40
  4. Step 4: Simplify right side
    1,902.64x = 3,564,687.98
  5. Step 5: Solve for x
    x = 3,564,687.98/1,902.64
  6. Step 6: Final answer
    x = 1,873.55

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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.