Home / 2,454.93-3,387.78-1,335.90

Finding the Fourth Proportional to 2,454.93, 3,387.78 and 1,335.90

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Solution

The fourth proportional to 2,454.93, 3,387.78 and 1,335.90 is: 1,843.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.93 : 3,387.78 = 1,335.90 : x
  2. Step 2: Convert to fraction form
    2,454.93/3,387.78 = 1,335.90/x
  3. Step 3: Cross multiply
    2,454.93x = 3,387.78 × 1,335.90
  4. Step 4: Simplify right side
    2,454.93x = 4,525,735.30
  5. Step 5: Solve for x
    x = 4,525,735.30/2,454.93
  6. Step 6: Final answer
    x = 1,843.53

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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.