Home / 2,013.65-2,778.92-1,174.22

Finding the Fourth Proportional to 2,013.65, 2,778.92 and 1,174.22

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Solution

The fourth proportional to 2,013.65, 2,778.92 and 1,174.22 is: 1,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.65 : 2,778.92 = 1,174.22 : x
  2. Step 2: Convert to fraction form
    2,013.65/2,778.92 = 1,174.22/x
  3. Step 3: Cross multiply
    2,013.65x = 2,778.92 × 1,174.22
  4. Step 4: Simplify right side
    2,013.65x = 3,263,064.52
  5. Step 5: Solve for x
    x = 3,263,064.52/2,013.65
  6. Step 6: Final answer
    x = 1,620.47

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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.