Home / 2,913.60-4,020.40-1,654.48

Finding the Fourth Proportional to 2,913.60, 4,020.40 and 1,654.48

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Solution

The fourth proportional to 2,913.60, 4,020.40 and 1,654.48 is: 2,282.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.60 : 4,020.40 = 1,654.48 : x
  2. Step 2: Convert to fraction form
    2,913.60/4,020.40 = 1,654.48/x
  3. Step 3: Cross multiply
    2,913.60x = 4,020.40 × 1,654.48
  4. Step 4: Simplify right side
    2,913.60x = 6,651,671.39
  5. Step 5: Solve for x
    x = 6,651,671.39/2,913.60
  6. Step 6: Final answer
    x = 2,282.97

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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.