Home / 3,125.00-4,689.32-1,739.49

Finding the Fourth Proportional to 3,125.00, 4,689.32 and 1,739.49

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Solution

The fourth proportional to 3,125.00, 4,689.32 and 1,739.49 is: 2,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.00 : 4,689.32 = 1,739.49 : x
  2. Step 2: Convert to fraction form
    3,125.00/4,689.32 = 1,739.49/x
  3. Step 3: Cross multiply
    3,125.00x = 4,689.32 × 1,739.49
  4. Step 4: Simplify right side
    3,125.00x = 8,157,016.55
  5. Step 5: Solve for x
    x = 8,157,016.55/3,125.00
  6. Step 6: Final answer
    x = 2,610.25

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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.