Home / 2,220.36-3,326.82-1,567.92

Finding the Fourth Proportional to 2,220.36, 3,326.82 and 1,567.92

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Solution

The fourth proportional to 2,220.36, 3,326.82 and 1,567.92 is: 2,349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.36 : 3,326.82 = 1,567.92 : x
  2. Step 2: Convert to fraction form
    2,220.36/3,326.82 = 1,567.92/x
  3. Step 3: Cross multiply
    2,220.36x = 3,326.82 × 1,567.92
  4. Step 4: Simplify right side
    2,220.36x = 5,216,187.61
  5. Step 5: Solve for x
    x = 5,216,187.61/2,220.36
  6. Step 6: Final answer
    x = 2,349.25

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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.