Home / 2,277.87-3,417.29-738.75

Finding the Fourth Proportional to 2,277.87, 3,417.29 and 738.75

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Solution

The fourth proportional to 2,277.87, 3,417.29 and 738.75 is: 1,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.87 : 3,417.29 = 738.75 : x
  2. Step 2: Convert to fraction form
    2,277.87/3,417.29 = 738.75/x
  3. Step 3: Cross multiply
    2,277.87x = 3,417.29 × 738.75
  4. Step 4: Simplify right side
    2,277.87x = 2,524,519.29
  5. Step 5: Solve for x
    x = 2,524,519.29/2,277.87
  6. Step 6: Final answer
    x = 1,108.28

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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.