Home / 2,951.40-4,077.96-2,577.80

Finding the Fourth Proportional to 2,951.40, 4,077.96 and 2,577.80

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Solution

The fourth proportional to 2,951.40, 4,077.96 and 2,577.80 is: 3,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.40 : 4,077.96 = 2,577.80 : x
  2. Step 2: Convert to fraction form
    2,951.40/4,077.96 = 2,577.80/x
  3. Step 3: Cross multiply
    2,951.40x = 4,077.96 × 2,577.80
  4. Step 4: Simplify right side
    2,951.40x = 10,512,165.29
  5. Step 5: Solve for x
    x = 10,512,165.29/2,951.40
  6. Step 6: Final answer
    x = 3,561.76

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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.