Home / 2,218.15-3,327.49-737.51

Finding the Fourth Proportional to 2,218.15, 3,327.49 and 737.51

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Solution

The fourth proportional to 2,218.15, 3,327.49 and 737.51 is: 1,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.15 : 3,327.49 = 737.51 : x
  2. Step 2: Convert to fraction form
    2,218.15/3,327.49 = 737.51/x
  3. Step 3: Cross multiply
    2,218.15x = 3,327.49 × 737.51
  4. Step 4: Simplify right side
    2,218.15x = 2,454,036.82
  5. Step 5: Solve for x
    x = 2,454,036.82/2,218.15
  6. Step 6: Final answer
    x = 1,106.34

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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.