Home / 2,749.38-3,794.14-1,507.38

Finding the Fourth Proportional to 2,749.38, 3,794.14 and 1,507.38

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Solution

The fourth proportional to 2,749.38, 3,794.14 and 1,507.38 is: 2,080.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.38 : 3,794.14 = 1,507.38 : x
  2. Step 2: Convert to fraction form
    2,749.38/3,794.14 = 1,507.38/x
  3. Step 3: Cross multiply
    2,749.38x = 3,794.14 × 1,507.38
  4. Step 4: Simplify right side
    2,749.38x = 5,719,210.75
  5. Step 5: Solve for x
    x = 5,719,210.75/2,749.38
  6. Step 6: Final answer
    x = 2,080.18

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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.