Home / 3,143.34-4,338.99-2,359.65

Finding the Fourth Proportional to 3,143.34, 4,338.99 and 2,359.65

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Solution

The fourth proportional to 3,143.34, 4,338.99 and 2,359.65 is: 3,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.34 : 4,338.99 = 2,359.65 : x
  2. Step 2: Convert to fraction form
    3,143.34/4,338.99 = 2,359.65/x
  3. Step 3: Cross multiply
    3,143.34x = 4,338.99 × 2,359.65
  4. Step 4: Simplify right side
    3,143.34x = 10,238,497.75
  5. Step 5: Solve for x
    x = 10,238,497.75/3,143.34
  6. Step 6: Final answer
    x = 3,257.20

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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.