Home / 1,749.66-2,414.82-1,225.32

Finding the Fourth Proportional to 1,749.66, 2,414.82 and 1,225.32

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Solution

The fourth proportional to 1,749.66, 2,414.82 and 1,225.32 is: 1,691.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,749.66 : 2,414.82 = 1,225.32 : x
  2. Step 2: Convert to fraction form
    1,749.66/2,414.82 = 1,225.32/x
  3. Step 3: Cross multiply
    1,749.66x = 2,414.82 × 1,225.32
  4. Step 4: Simplify right side
    1,749.66x = 2,958,927.24
  5. Step 5: Solve for x
    x = 2,958,927.24/1,749.66
  6. Step 6: Final answer
    x = 1,691.14

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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.