Home / 4,159.68-5,740.40-2,391.45

Finding the Fourth Proportional to 4,159.68, 5,740.40 and 2,391.45

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Solution

The fourth proportional to 4,159.68, 5,740.40 and 2,391.45 is: 3,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.68 : 5,740.40 = 2,391.45 : x
  2. Step 2: Convert to fraction form
    4,159.68/5,740.40 = 2,391.45/x
  3. Step 3: Cross multiply
    4,159.68x = 5,740.40 × 2,391.45
  4. Step 4: Simplify right side
    4,159.68x = 13,727,879.58
  5. Step 5: Solve for x
    x = 13,727,879.58/4,159.68
  6. Step 6: Final answer
    x = 3,300.22

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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.