Home / 1,454.96-2,182.44-1,129.40

Finding the Fourth Proportional to 1,454.96, 2,182.44 and 1,129.40

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Solution

The fourth proportional to 1,454.96, 2,182.44 and 1,129.40 is: 1,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454.96 : 2,182.44 = 1,129.40 : x
  2. Step 2: Convert to fraction form
    1,454.96/2,182.44 = 1,129.40/x
  3. Step 3: Cross multiply
    1,454.96x = 2,182.44 × 1,129.40
  4. Step 4: Simplify right side
    1,454.96x = 2,464,847.74
  5. Step 5: Solve for x
    x = 2,464,847.74/1,454.96
  6. Step 6: Final answer
    x = 1,694.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.