Home / 2,220.18-3,064.50-1,335.84

Finding the Fourth Proportional to 2,220.18, 3,064.50 and 1,335.84

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Solution

The fourth proportional to 2,220.18, 3,064.50 and 1,335.84 is: 1,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.18 : 3,064.50 = 1,335.84 : x
  2. Step 2: Convert to fraction form
    2,220.18/3,064.50 = 1,335.84/x
  3. Step 3: Cross multiply
    2,220.18x = 3,064.50 × 1,335.84
  4. Step 4: Simplify right side
    2,220.18x = 4,093,681.68
  5. Step 5: Solve for x
    x = 4,093,681.68/2,220.18
  6. Step 6: Final answer
    x = 1,843.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.