Home / 2,577.40-3,554.52-2,079.88

Finding the Fourth Proportional to 2,577.40, 3,554.52 and 2,079.88

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Solution

The fourth proportional to 2,577.40, 3,554.52 and 2,079.88 is: 2,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.40 : 3,554.52 = 2,079.88 : x
  2. Step 2: Convert to fraction form
    2,577.40/3,554.52 = 2,079.88/x
  3. Step 3: Cross multiply
    2,577.40x = 3,554.52 × 2,079.88
  4. Step 4: Simplify right side
    2,577.40x = 7,392,975.06
  5. Step 5: Solve for x
    x = 7,392,975.06/2,577.40
  6. Step 6: Final answer
    x = 2,868.38

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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.