Home / 2,391.97-3,301.41-1,507.18

Finding the Fourth Proportional to 2,391.97, 3,301.41 and 1,507.18

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Solution

The fourth proportional to 2,391.97, 3,301.41 and 1,507.18 is: 2,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.97 : 3,301.41 = 1,507.18 : x
  2. Step 2: Convert to fraction form
    2,391.97/3,301.41 = 1,507.18/x
  3. Step 3: Cross multiply
    2,391.97x = 3,301.41 × 1,507.18
  4. Step 4: Simplify right side
    2,391.97x = 4,975,819.12
  5. Step 5: Solve for x
    x = 4,975,819.12/2,391.97
  6. Step 6: Final answer
    x = 2,080.22

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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.