Home / 2,625.60-3,623.76-1,578.24

Finding the Fourth Proportional to 2,625.60, 3,623.76 and 1,578.24

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Solution

The fourth proportional to 2,625.60, 3,623.76 and 1,578.24 is: 2,178.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.60 : 3,623.76 = 1,578.24 : x
  2. Step 2: Convert to fraction form
    2,625.60/3,623.76 = 1,578.24/x
  3. Step 3: Cross multiply
    2,625.60x = 3,623.76 × 1,578.24
  4. Step 4: Simplify right side
    2,625.60x = 5,719,162.98
  5. Step 5: Solve for x
    x = 5,719,162.98/2,625.60
  6. Step 6: Final answer
    x = 2,178.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.