Home / 2,218.79-3,062.29-1,335.08

Finding the Fourth Proportional to 2,218.79, 3,062.29 and 1,335.08

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Solution

The fourth proportional to 2,218.79, 3,062.29 and 1,335.08 is: 1,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.79 : 3,062.29 = 1,335.08 : x
  2. Step 2: Convert to fraction form
    2,218.79/3,062.29 = 1,335.08/x
  3. Step 3: Cross multiply
    2,218.79x = 3,062.29 × 1,335.08
  4. Step 4: Simplify right side
    2,218.79x = 4,088,402.13
  5. Step 5: Solve for x
    x = 4,088,402.13/2,218.79
  6. Step 6: Final answer
    x = 1,842.63

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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.