Home / 2,220.24-3,063.36-1,335.40

Finding the Fourth Proportional to 2,220.24, 3,063.36 and 1,335.40

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Solution

The fourth proportional to 2,220.24, 3,063.36 and 1,335.40 is: 1,842.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.24 : 3,063.36 = 1,335.40 : x
  2. Step 2: Convert to fraction form
    2,220.24/3,063.36 = 1,335.40/x
  3. Step 3: Cross multiply
    2,220.24x = 3,063.36 × 1,335.40
  4. Step 4: Simplify right side
    2,220.24x = 4,090,810.94
  5. Step 5: Solve for x
    x = 4,090,810.94/2,220.24
  6. Step 6: Final answer
    x = 1,842.51

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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.