Home / 2,014.29-3,022.65-781.83

Finding the Fourth Proportional to 2,014.29, 3,022.65 and 781.83

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Solution

The fourth proportional to 2,014.29, 3,022.65 and 781.83 is: 1,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.29 : 3,022.65 = 781.83 : x
  2. Step 2: Convert to fraction form
    2,014.29/3,022.65 = 781.83/x
  3. Step 3: Cross multiply
    2,014.29x = 3,022.65 × 781.83
  4. Step 4: Simplify right side
    2,014.29x = 2,363,198.45
  5. Step 5: Solve for x
    x = 2,363,198.45/2,014.29
  6. Step 6: Final answer
    x = 1,173.22

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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.