Home / 3,119.72-4,309.00-2,465.24

Finding the Fourth Proportional to 3,119.72, 4,309.00 and 2,465.24

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Solution

The fourth proportional to 3,119.72, 4,309.00 and 2,465.24 is: 3,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.72 : 4,309.00 = 2,465.24 : x
  2. Step 2: Convert to fraction form
    3,119.72/4,309.00 = 2,465.24/x
  3. Step 3: Cross multiply
    3,119.72x = 4,309.00 × 2,465.24
  4. Step 4: Simplify right side
    3,119.72x = 10,622,691.45
  5. Step 5: Solve for x
    x = 10,622,691.45/3,119.72
  6. Step 6: Final answer
    x = 3,405.02

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1.5x scale

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.