Home / 2,001.25-2,763.44-1,256.46

Finding the Fourth Proportional to 2,001.25, 2,763.44 and 1,256.46

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Solution

The fourth proportional to 2,001.25, 2,763.44 and 1,256.46 is: 1,734.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.25 : 2,763.44 = 1,256.46 : x
  2. Step 2: Convert to fraction form
    2,001.25/2,763.44 = 1,256.46/x
  3. Step 3: Cross multiply
    2,001.25x = 2,763.44 × 1,256.46
  4. Step 4: Simplify right side
    2,001.25x = 3,472,151.82
  5. Step 5: Solve for x
    x = 3,472,151.82/2,001.25
  6. Step 6: Final answer
    x = 1,734.99

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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.