Home / 2,402.82-3,313.80-1,904.58

Finding the Fourth Proportional to 2,402.82, 3,313.80 and 1,904.58

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Solution

The fourth proportional to 2,402.82, 3,313.80 and 1,904.58 is: 2,626.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.82 : 3,313.80 = 1,904.58 : x
  2. Step 2: Convert to fraction form
    2,402.82/3,313.80 = 1,904.58/x
  3. Step 3: Cross multiply
    2,402.82x = 3,313.80 × 1,904.58
  4. Step 4: Simplify right side
    2,402.82x = 6,311,397.20
  5. Step 5: Solve for x
    x = 6,311,397.20/2,402.82
  6. Step 6: Final answer
    x = 2,626.66

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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.