Home / 2,749.91-4,125.67-1,018.13

Finding the Fourth Proportional to 2,749.91, 4,125.67 and 1,018.13

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Solution

The fourth proportional to 2,749.91, 4,125.67 and 1,018.13 is: 1,527.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.91 : 4,125.67 = 1,018.13 : x
  2. Step 2: Convert to fraction form
    2,749.91/4,125.67 = 1,018.13/x
  3. Step 3: Cross multiply
    2,749.91x = 4,125.67 × 1,018.13
  4. Step 4: Simplify right side
    2,749.91x = 4,200,445.22
  5. Step 5: Solve for x
    x = 4,200,445.22/2,749.91
  6. Step 6: Final answer
    x = 1,527.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.