Home / 3,259.27-4,491.77-2,315.10

Finding the Fourth Proportional to 3,259.27, 4,491.77 and 2,315.10

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Solution

The fourth proportional to 3,259.27, 4,491.77 and 2,315.10 is: 3,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.27 : 4,491.77 = 2,315.10 : x
  2. Step 2: Convert to fraction form
    3,259.27/4,491.77 = 2,315.10/x
  3. Step 3: Cross multiply
    3,259.27x = 4,491.77 × 2,315.10
  4. Step 4: Simplify right side
    3,259.27x = 10,398,889.75
  5. Step 5: Solve for x
    x = 10,398,889.75/3,259.27
  6. Step 6: Final answer
    x = 3,190.56

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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.