Home / 4,159.80-5,740.39-2,391.38

Finding the Fourth Proportional to 4,159.80, 5,740.39 and 2,391.38

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Solution

The fourth proportional to 4,159.80, 5,740.39 and 2,391.38 is: 3,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.80 : 5,740.39 = 2,391.38 : x
  2. Step 2: Convert to fraction form
    4,159.80/5,740.39 = 2,391.38/x
  3. Step 3: Cross multiply
    4,159.80x = 5,740.39 × 2,391.38
  4. Step 4: Simplify right side
    4,159.80x = 13,727,453.84
  5. Step 5: Solve for x
    x = 13,727,453.84/4,159.80
  6. Step 6: Final answer
    x = 3,300.03

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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.