Home / 2,011.24-3,014.16-1,317.61

Finding the Fourth Proportional to 2,011.24, 3,014.16 and 1,317.61

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Solution

The fourth proportional to 2,011.24, 3,014.16 and 1,317.61 is: 1,974.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.24 : 3,014.16 = 1,317.61 : x
  2. Step 2: Convert to fraction form
    2,011.24/3,014.16 = 1,317.61/x
  3. Step 3: Cross multiply
    2,011.24x = 3,014.16 × 1,317.61
  4. Step 4: Simplify right side
    2,011.24x = 3,971,487.36
  5. Step 5: Solve for x
    x = 3,971,487.36/2,011.24
  6. Step 6: Final answer
    x = 1,974.65

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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.