Home / 1,578.60-2,363.85-1,023.89

Finding the Fourth Proportional to 1,578.60, 2,363.85 and 1,023.89

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Solution

The fourth proportional to 1,578.60, 2,363.85 and 1,023.89 is: 1,533.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.60 : 2,363.85 = 1,023.89 : x
  2. Step 2: Convert to fraction form
    1,578.60/2,363.85 = 1,023.89/x
  3. Step 3: Cross multiply
    1,578.60x = 2,363.85 × 1,023.89
  4. Step 4: Simplify right side
    1,578.60x = 2,420,310.56
  5. Step 5: Solve for x
    x = 2,420,310.56/1,578.60
  6. Step 6: Final answer
    x = 1,533.20

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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.