Home / 1,599.61-2,207.88-1,433.54

Finding the Fourth Proportional to 1,599.61, 2,207.88 and 1,433.54

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Solution

The fourth proportional to 1,599.61, 2,207.88 and 1,433.54 is: 1,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.61 : 2,207.88 = 1,433.54 : x
  2. Step 2: Convert to fraction form
    1,599.61/2,207.88 = 1,433.54/x
  3. Step 3: Cross multiply
    1,599.61x = 2,207.88 × 1,433.54
  4. Step 4: Simplify right side
    1,599.61x = 3,165,084.30
  5. Step 5: Solve for x
    x = 3,165,084.30/1,599.61
  6. Step 6: Final answer
    x = 1,978.66

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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.