Home / 2,913.25-4,020.29-1,671.25

Finding the Fourth Proportional to 2,913.25, 4,020.29 and 1,671.25

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Solution

The fourth proportional to 2,913.25, 4,020.29 and 1,671.25 is: 2,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.25 : 4,020.29 = 1,671.25 : x
  2. Step 2: Convert to fraction form
    2,913.25/4,020.29 = 1,671.25/x
  3. Step 3: Cross multiply
    2,913.25x = 4,020.29 × 1,671.25
  4. Step 4: Simplify right side
    2,913.25x = 6,718,909.66
  5. Step 5: Solve for x
    x = 6,718,909.66/2,913.25
  6. Step 6: Final answer
    x = 2,306.33

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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.