Home / 2,577.43-3,551.70-2,256.76

Finding the Fourth Proportional to 2,577.43, 3,551.70 and 2,256.76

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Solution

The fourth proportional to 2,577.43, 3,551.70 and 2,256.76 is: 3,109.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.43 : 3,551.70 = 2,256.76 : x
  2. Step 2: Convert to fraction form
    2,577.43/3,551.70 = 2,256.76/x
  3. Step 3: Cross multiply
    2,577.43x = 3,551.70 × 2,256.76
  4. Step 4: Simplify right side
    2,577.43x = 8,015,334.49
  5. Step 5: Solve for x
    x = 8,015,334.49/2,577.43
  6. Step 6: Final answer
    x = 3,109.82

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Half scale
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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.