Home / 3,578.02-5,367.03-1,630.78

Finding the Fourth Proportional to 3,578.02, 5,367.03 and 1,630.78

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Solution

The fourth proportional to 3,578.02, 5,367.03 and 1,630.78 is: 2,446.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.02 : 5,367.03 = 1,630.78 : x
  2. Step 2: Convert to fraction form
    3,578.02/5,367.03 = 1,630.78/x
  3. Step 3: Cross multiply
    3,578.02x = 5,367.03 × 1,630.78
  4. Step 4: Simplify right side
    3,578.02x = 8,752,445.18
  5. Step 5: Solve for x
    x = 8,752,445.18/3,578.02
  6. Step 6: Final answer
    x = 2,446.17

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1.5x scale

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.