Home / 2,454.30-3,381.35-2,080.08

Finding the Fourth Proportional to 2,454.30, 3,381.35 and 2,080.08

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Solution

The fourth proportional to 2,454.30, 3,381.35 and 2,080.08 is: 2,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,454.30 : 3,381.35 = 2,080.08 : x
  2. Step 2: Convert to fraction form
    2,454.30/3,381.35 = 2,080.08/x
  3. Step 3: Cross multiply
    2,454.30x = 3,381.35 × 2,080.08
  4. Step 4: Simplify right side
    2,454.30x = 7,033,468.11
  5. Step 5: Solve for x
    x = 7,033,468.11/2,454.30
  6. Step 6: Final answer
    x = 2,865.77

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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.