Home / 2,682.88-4,022.61-1,587.58

Finding the Fourth Proportional to 2,682.88, 4,022.61 and 1,587.58

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Solution

The fourth proportional to 2,682.88, 4,022.61 and 1,587.58 is: 2,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.88 : 4,022.61 = 1,587.58 : x
  2. Step 2: Convert to fraction form
    2,682.88/4,022.61 = 1,587.58/x
  3. Step 3: Cross multiply
    2,682.88x = 4,022.61 × 1,587.58
  4. Step 4: Simplify right side
    2,682.88x = 6,386,215.18
  5. Step 5: Solve for x
    x = 6,386,215.18/2,682.88
  6. Step 6: Final answer
    x = 2,380.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.