Home / 2,439.17-3,658.75-1,141.55

Finding the Fourth Proportional to 2,439.17, 3,658.75 and 1,141.55

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Solution

The fourth proportional to 2,439.17, 3,658.75 and 1,141.55 is: 1,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439.17 : 3,658.75 = 1,141.55 : x
  2. Step 2: Convert to fraction form
    2,439.17/3,658.75 = 1,141.55/x
  3. Step 3: Cross multiply
    2,439.17x = 3,658.75 × 1,141.55
  4. Step 4: Simplify right side
    2,439.17x = 4,176,624.91
  5. Step 5: Solve for x
    x = 4,176,624.91/2,439.17
  6. Step 6: Final answer
    x = 1,712.32

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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.