Home / 3,160.86-4,739.92-2,430.95

Finding the Fourth Proportional to 3,160.86, 4,739.92 and 2,430.95

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Solution

The fourth proportional to 3,160.86, 4,739.92 and 2,430.95 is: 3,645.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,160.86 : 4,739.92 = 2,430.95 : x
  2. Step 2: Convert to fraction form
    3,160.86/4,739.92 = 2,430.95/x
  3. Step 3: Cross multiply
    3,160.86x = 4,739.92 × 2,430.95
  4. Step 4: Simplify right side
    3,160.86x = 11,522,478.75
  5. Step 5: Solve for x
    x = 11,522,478.75/3,160.86
  6. Step 6: Final answer
    x = 3,645.37

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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.