Home / 2,217.58-3,326.36-1,047.19

Finding the Fourth Proportional to 2,217.58, 3,326.36 and 1,047.19

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Solution

The fourth proportional to 2,217.58, 3,326.36 and 1,047.19 is: 1,570.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.58 : 3,326.36 = 1,047.19 : x
  2. Step 2: Convert to fraction form
    2,217.58/3,326.36 = 1,047.19/x
  3. Step 3: Cross multiply
    2,217.58x = 3,326.36 × 1,047.19
  4. Step 4: Simplify right side
    2,217.58x = 3,483,330.93
  5. Step 5: Solve for x
    x = 3,483,330.93/2,217.58
  6. Step 6: Final answer
    x = 1,570.78

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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.