Home / 1,623.44-2,433.36-972.80

Finding the Fourth Proportional to 1,623.44, 2,433.36 and 972.80

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Solution

The fourth proportional to 1,623.44, 2,433.36 and 972.80 is: 1,458.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,623.44 : 2,433.36 = 972.80 : x
  2. Step 2: Convert to fraction form
    1,623.44/2,433.36 = 972.80/x
  3. Step 3: Cross multiply
    1,623.44x = 2,433.36 × 972.80
  4. Step 4: Simplify right side
    1,623.44x = 2,367,172.61
  5. Step 5: Solve for x
    x = 2,367,172.61/1,623.44
  6. Step 6: Final answer
    x = 1,458.12

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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.