Home / 3,618.49-5,426.66-1,538.43

Finding the Fourth Proportional to 3,618.49, 5,426.66 and 1,538.43

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Solution

The fourth proportional to 3,618.49, 5,426.66 and 1,538.43 is: 2,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.49 : 5,426.66 = 1,538.43 : x
  2. Step 2: Convert to fraction form
    3,618.49/5,426.66 = 1,538.43/x
  3. Step 3: Cross multiply
    3,618.49x = 5,426.66 × 1,538.43
  4. Step 4: Simplify right side
    3,618.49x = 8,348,501.72
  5. Step 5: Solve for x
    x = 8,348,501.72/3,618.49
  6. Step 6: Final answer
    x = 2,307.18

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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.