Home / 1,579.40-2,366.28-962.80

Finding the Fourth Proportional to 1,579.40, 2,366.28 and 962.80

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Solution

The fourth proportional to 1,579.40, 2,366.28 and 962.80 is: 1,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.40 : 2,366.28 = 962.80 : x
  2. Step 2: Convert to fraction form
    1,579.40/2,366.28 = 962.80/x
  3. Step 3: Cross multiply
    1,579.40x = 2,366.28 × 962.80
  4. Step 4: Simplify right side
    1,579.40x = 2,278,254.38
  5. Step 5: Solve for x
    x = 2,278,254.38/1,579.40
  6. Step 6: Final answer
    x = 1,442.48

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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.