Home / 2,824.80-4,237.56-1,093.20

Finding the Fourth Proportional to 2,824.80, 4,237.56 and 1,093.20

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Solution

The fourth proportional to 2,824.80, 4,237.56 and 1,093.20 is: 1,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.80 : 4,237.56 = 1,093.20 : x
  2. Step 2: Convert to fraction form
    2,824.80/4,237.56 = 1,093.20/x
  3. Step 3: Cross multiply
    2,824.80x = 4,237.56 × 1,093.20
  4. Step 4: Simplify right side
    2,824.80x = 4,632,500.59
  5. Step 5: Solve for x
    x = 4,632,500.59/2,824.80
  6. Step 6: Final answer
    x = 1,639.94

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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.