Home / 1,881.18-2,823.66-1,538.58

Finding the Fourth Proportional to 1,881.18, 2,823.66 and 1,538.58

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Solution

The fourth proportional to 1,881.18, 2,823.66 and 1,538.58 is: 2,309.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.18 : 2,823.66 = 1,538.58 : x
  2. Step 2: Convert to fraction form
    1,881.18/2,823.66 = 1,538.58/x
  3. Step 3: Cross multiply
    1,881.18x = 2,823.66 × 1,538.58
  4. Step 4: Simplify right side
    1,881.18x = 4,344,426.80
  5. Step 5: Solve for x
    x = 4,344,426.80/1,881.18
  6. Step 6: Final answer
    x = 2,309.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.