Home / 1,654.60-2,467.28-1,639.75

Finding the Fourth Proportional to 1,654.60, 2,467.28 and 1,639.75

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Solution

The fourth proportional to 1,654.60, 2,467.28 and 1,639.75 is: 2,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.60 : 2,467.28 = 1,639.75 : x
  2. Step 2: Convert to fraction form
    1,654.60/2,467.28 = 1,639.75/x
  3. Step 3: Cross multiply
    1,654.60x = 2,467.28 × 1,639.75
  4. Step 4: Simplify right side
    1,654.60x = 4,045,722.38
  5. Step 5: Solve for x
    x = 4,045,722.38/1,654.60
  6. Step 6: Final answer
    x = 2,445.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.