Home / 2,298.86-3,172.46-1,250.92

Finding the Fourth Proportional to 2,298.86, 3,172.46 and 1,250.92

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Solution

The fourth proportional to 2,298.86, 3,172.46 and 1,250.92 is: 1,726.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298.86 : 3,172.46 = 1,250.92 : x
  2. Step 2: Convert to fraction form
    2,298.86/3,172.46 = 1,250.92/x
  3. Step 3: Cross multiply
    2,298.86x = 3,172.46 × 1,250.92
  4. Step 4: Simplify right side
    2,298.86x = 3,968,493.66
  5. Step 5: Solve for x
    x = 3,968,493.66/2,298.86
  6. Step 6: Final answer
    x = 1,726.29

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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.