Home / 2,218.48-3,062.40-1,335.04

Finding the Fourth Proportional to 2,218.48, 3,062.40 and 1,335.04

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Solution

The fourth proportional to 2,218.48, 3,062.40 and 1,335.04 is: 1,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.48 : 3,062.40 = 1,335.04 : x
  2. Step 2: Convert to fraction form
    2,218.48/3,062.40 = 1,335.04/x
  3. Step 3: Cross multiply
    2,218.48x = 3,062.40 × 1,335.04
  4. Step 4: Simplify right side
    2,218.48x = 4,088,426.50
  5. Step 5: Solve for x
    x = 4,088,426.50/2,218.48
  6. Step 6: Final answer
    x = 1,842.90

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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.