Home / 2,013.24-3,017.16-1,319.61

Finding the Fourth Proportional to 2,013.24, 3,017.16 and 1,319.61

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Solution

The fourth proportional to 2,013.24, 3,017.16 and 1,319.61 is: 1,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,013.24 : 3,017.16 = 1,319.61 : x
  2. Step 2: Convert to fraction form
    2,013.24/3,017.16 = 1,319.61/x
  3. Step 3: Cross multiply
    2,013.24x = 3,017.16 × 1,319.61
  4. Step 4: Simplify right side
    2,013.24x = 3,981,474.51
  5. Step 5: Solve for x
    x = 3,981,474.51/2,013.24
  6. Step 6: Final answer
    x = 1,977.65

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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.