Home / 2,577.17-3,558.30-2,276.12

Finding the Fourth Proportional to 2,577.17, 3,558.30 and 2,276.12

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Solution

The fourth proportional to 2,577.17, 3,558.30 and 2,276.12 is: 3,142.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.17 : 3,558.30 = 2,276.12 : x
  2. Step 2: Convert to fraction form
    2,577.17/3,558.30 = 2,276.12/x
  3. Step 3: Cross multiply
    2,577.17x = 3,558.30 × 2,276.12
  4. Step 4: Simplify right side
    2,577.17x = 8,099,117.80
  5. Step 5: Solve for x
    x = 8,099,117.80/2,577.17
  6. Step 6: Final answer
    x = 3,142.64

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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.