Home / 1,623.39-2,432.03-800.70

Finding the Fourth Proportional to 1,623.39, 2,432.03 and 800.70

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Solution

The fourth proportional to 1,623.39, 2,432.03 and 800.70 is: 1,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.39 : 2,432.03 = 800.70 : x
  2. Step 2: Convert to fraction form
    1,623.39/2,432.03 = 800.70/x
  3. Step 3: Cross multiply
    1,623.39x = 2,432.03 × 800.70
  4. Step 4: Simplify right side
    1,623.39x = 1,947,322.42
  5. Step 5: Solve for x
    x = 1,947,322.42/1,623.39
  6. Step 6: Final answer
    x = 1,199.54

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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.