Home / 4,159.11-5,740.07-2,390.71

Finding the Fourth Proportional to 4,159.11, 5,740.07 and 2,390.71

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Solution

The fourth proportional to 4,159.11, 5,740.07 and 2,390.71 is: 3,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.11 : 5,740.07 = 2,390.71 : x
  2. Step 2: Convert to fraction form
    4,159.11/5,740.07 = 2,390.71/x
  3. Step 3: Cross multiply
    4,159.11x = 5,740.07 × 2,390.71
  4. Step 4: Simplify right side
    4,159.11x = 13,722,842.75
  5. Step 5: Solve for x
    x = 13,722,842.75/4,159.11
  6. Step 6: Final answer
    x = 3,299.47

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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.