Home / 2,913.31-4,020.46-1,654.42

Finding the Fourth Proportional to 2,913.31, 4,020.46 and 1,654.42

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Solution

The fourth proportional to 2,913.31, 4,020.46 and 1,654.42 is: 2,283.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.31 : 4,020.46 = 1,654.42 : x
  2. Step 2: Convert to fraction form
    2,913.31/4,020.46 = 1,654.42/x
  3. Step 3: Cross multiply
    2,913.31x = 4,020.46 × 1,654.42
  4. Step 4: Simplify right side
    2,913.31x = 6,651,515.25
  5. Step 5: Solve for x
    x = 6,651,515.25/2,913.31
  6. Step 6: Final answer
    x = 2,283.15

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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.