Home / 1,650.28-2,277.66-1,256.56

Finding the Fourth Proportional to 1,650.28, 2,277.66 and 1,256.56

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Solution

The fourth proportional to 1,650.28, 2,277.66 and 1,256.56 is: 1,734.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.28 : 2,277.66 = 1,256.56 : x
  2. Step 2: Convert to fraction form
    1,650.28/2,277.66 = 1,256.56/x
  3. Step 3: Cross multiply
    1,650.28x = 2,277.66 × 1,256.56
  4. Step 4: Simplify right side
    1,650.28x = 2,862,016.45
  5. Step 5: Solve for x
    x = 2,862,016.45/1,650.28
  6. Step 6: Final answer
    x = 1,734.26

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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.