Home / 1,824.72-2,517.20-1,235.60

Finding the Fourth Proportional to 1,824.72, 2,517.20 and 1,235.60

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Solution

The fourth proportional to 1,824.72, 2,517.20 and 1,235.60 is: 1,704.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,824.72 : 2,517.20 = 1,235.60 : x
  2. Step 2: Convert to fraction form
    1,824.72/2,517.20 = 1,235.60/x
  3. Step 3: Cross multiply
    1,824.72x = 2,517.20 × 1,235.60
  4. Step 4: Simplify right side
    1,824.72x = 3,110,252.32
  5. Step 5: Solve for x
    x = 3,110,252.32/1,824.72
  6. Step 6: Final answer
    x = 1,704.51

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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.