Home / 2,581.13-3,561.86-1,402.17

Finding the Fourth Proportional to 2,581.13, 3,561.86 and 1,402.17

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Solution

The fourth proportional to 2,581.13, 3,561.86 and 1,402.17 is: 1,934.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,581.13 : 3,561.86 = 1,402.17 : x
  2. Step 2: Convert to fraction form
    2,581.13/3,561.86 = 1,402.17/x
  3. Step 3: Cross multiply
    2,581.13x = 3,561.86 × 1,402.17
  4. Step 4: Simplify right side
    2,581.13x = 4,994,326.23
  5. Step 5: Solve for x
    x = 4,994,326.23/2,581.13
  6. Step 6: Final answer
    x = 1,934.94

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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.