Home / 2,298.75-3,172.29-1,250.85

Finding the Fourth Proportional to 2,298.75, 3,172.29 and 1,250.85

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Solution

The fourth proportional to 2,298.75, 3,172.29 and 1,250.85 is: 1,726.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.75 : 3,172.29 = 1,250.85 : x
  2. Step 2: Convert to fraction form
    2,298.75/3,172.29 = 1,250.85/x
  3. Step 3: Cross multiply
    2,298.75x = 3,172.29 × 1,250.85
  4. Step 4: Simplify right side
    2,298.75x = 3,968,058.95
  5. Step 5: Solve for x
    x = 3,968,058.95/2,298.75
  6. Step 6: Final answer
    x = 1,726.18

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1.5x scale

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.