Home / 2,874.38-3,966.66-1,881.32

Finding the Fourth Proportional to 2,874.38, 3,966.66 and 1,881.32

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Solution

The fourth proportional to 2,874.38, 3,966.66 and 1,881.32 is: 2,596.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,874.38 : 3,966.66 = 1,881.32 : x
  2. Step 2: Convert to fraction form
    2,874.38/3,966.66 = 1,881.32/x
  3. Step 3: Cross multiply
    2,874.38x = 3,966.66 × 1,881.32
  4. Step 4: Simplify right side
    2,874.38x = 7,462,536.96
  5. Step 5: Solve for x
    x = 7,462,536.96/2,874.38
  6. Step 6: Final answer
    x = 2,596.23

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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.