Home / 2,276.90-3,143.68-1,754.18

Finding the Fourth Proportional to 2,276.90, 3,143.68 and 1,754.18

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Solution

The fourth proportional to 2,276.90, 3,143.68 and 1,754.18 is: 2,421.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.90 : 3,143.68 = 1,754.18 : x
  2. Step 2: Convert to fraction form
    2,276.90/3,143.68 = 1,754.18/x
  3. Step 3: Cross multiply
    2,276.90x = 3,143.68 × 1,754.18
  4. Step 4: Simplify right side
    2,276.90x = 5,514,580.58
  5. Step 5: Solve for x
    x = 5,514,580.58/2,276.90
  6. Step 6: Final answer
    x = 2,421.97

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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.