Home / 1,945.68-2,920.56-1,654.92

Finding the Fourth Proportional to 1,945.68, 2,920.56 and 1,654.92

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Solution

The fourth proportional to 1,945.68, 2,920.56 and 1,654.92 is: 2,484.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.68 : 2,920.56 = 1,654.92 : x
  2. Step 2: Convert to fraction form
    1,945.68/2,920.56 = 1,654.92/x
  3. Step 3: Cross multiply
    1,945.68x = 2,920.56 × 1,654.92
  4. Step 4: Simplify right side
    1,945.68x = 4,833,293.16
  5. Step 5: Solve for x
    x = 4,833,293.16/1,945.68
  6. Step 6: Final answer
    x = 2,484.12

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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.