Home / 3,155.62-4,344.90-2,682.58

Finding the Fourth Proportional to 3,155.62, 4,344.90 and 2,682.58

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Solution

The fourth proportional to 3,155.62, 4,344.90 and 2,682.58 is: 3,693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.62 : 4,344.90 = 2,682.58 : x
  2. Step 2: Convert to fraction form
    3,155.62/4,344.90 = 2,682.58/x
  3. Step 3: Cross multiply
    3,155.62x = 4,344.90 × 2,682.58
  4. Step 4: Simplify right side
    3,155.62x = 11,655,541.84
  5. Step 5: Solve for x
    x = 11,655,541.84/3,155.62
  6. Step 6: Final answer
    x = 3,693.58

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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.