Home / 2,014.32-3,022.92-715.80

Finding the Fourth Proportional to 2,014.32, 3,022.92 and 715.80

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Solution

The fourth proportional to 2,014.32, 3,022.92 and 715.80 is: 1,074.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.32 : 3,022.92 = 715.80 : x
  2. Step 2: Convert to fraction form
    2,014.32/3,022.92 = 715.80/x
  3. Step 3: Cross multiply
    2,014.32x = 3,022.92 × 715.80
  4. Step 4: Simplify right side
    2,014.32x = 2,163,806.14
  5. Step 5: Solve for x
    x = 2,163,806.14/2,014.32
  6. Step 6: Final answer
    x = 1,074.21

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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.