Home / 3,620.93-5,432.00-1,155.56

Finding the Fourth Proportional to 3,620.93, 5,432.00 and 1,155.56

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Solution

The fourth proportional to 3,620.93, 5,432.00 and 1,155.56 is: 1,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.93 : 5,432.00 = 1,155.56 : x
  2. Step 2: Convert to fraction form
    3,620.93/5,432.00 = 1,155.56/x
  3. Step 3: Cross multiply
    3,620.93x = 5,432.00 × 1,155.56
  4. Step 4: Simplify right side
    3,620.93x = 6,276,968.98
  5. Step 5: Solve for x
    x = 6,276,968.98/3,620.93
  6. Step 6: Final answer
    x = 1,733.53

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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.