Home / 3,155.34-4,354.55-1,739.02

Finding the Fourth Proportional to 3,155.34, 4,354.55 and 1,739.02

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Solution

The fourth proportional to 3,155.34, 4,354.55 and 1,739.02 is: 2,399.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.34 : 4,354.55 = 1,739.02 : x
  2. Step 2: Convert to fraction form
    3,155.34/4,354.55 = 1,739.02/x
  3. Step 3: Cross multiply
    3,155.34x = 4,354.55 × 1,739.02
  4. Step 4: Simplify right side
    3,155.34x = 7,572,649.54
  5. Step 5: Solve for x
    x = 7,572,649.54/3,155.34
  6. Step 6: Final answer
    x = 2,399.95

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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.