Home / 1,454.47-2,006.38-1,256.12

Finding the Fourth Proportional to 1,454.47, 2,006.38 and 1,256.12

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Solution

The fourth proportional to 1,454.47, 2,006.38 and 1,256.12 is: 1,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.47 : 2,006.38 = 1,256.12 : x
  2. Step 2: Convert to fraction form
    1,454.47/2,006.38 = 1,256.12/x
  3. Step 3: Cross multiply
    1,454.47x = 2,006.38 × 1,256.12
  4. Step 4: Simplify right side
    1,454.47x = 2,520,254.05
  5. Step 5: Solve for x
    x = 2,520,254.05/1,454.47
  6. Step 6: Final answer
    x = 1,732.76

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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.