Home / 3,612.83-5,420.19-1,532.93

Finding the Fourth Proportional to 3,612.83, 5,420.19 and 1,532.93

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Solution

The fourth proportional to 3,612.83, 5,420.19 and 1,532.93 is: 2,299.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.83 : 5,420.19 = 1,532.93 : x
  2. Step 2: Convert to fraction form
    3,612.83/5,420.19 = 1,532.93/x
  3. Step 3: Cross multiply
    3,612.83x = 5,420.19 × 1,532.93
  4. Step 4: Simplify right side
    3,612.83x = 8,308,771.86
  5. Step 5: Solve for x
    x = 8,308,771.86/3,612.83
  6. Step 6: Final answer
    x = 2,299.80

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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.