Home / 2,749.13-3,793.80-1,507.13

Finding the Fourth Proportional to 2,749.13, 3,793.80 and 1,507.13

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Solution

The fourth proportional to 2,749.13, 3,793.80 and 1,507.13 is: 2,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.13 : 3,793.80 = 1,507.13 : x
  2. Step 2: Convert to fraction form
    2,749.13/3,793.80 = 1,507.13/x
  3. Step 3: Cross multiply
    2,749.13x = 3,793.80 × 1,507.13
  4. Step 4: Simplify right side
    2,749.13x = 5,717,749.79
  5. Step 5: Solve for x
    x = 5,717,749.79/2,749.13
  6. Step 6: Final answer
    x = 2,079.84

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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.