Home / 3,182.22-4,396.74-2,515.13

Finding the Fourth Proportional to 3,182.22, 4,396.74 and 2,515.13

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Solution

The fourth proportional to 3,182.22, 4,396.74 and 2,515.13 is: 3,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.22 : 4,396.74 = 2,515.13 : x
  2. Step 2: Convert to fraction form
    3,182.22/4,396.74 = 2,515.13/x
  3. Step 3: Cross multiply
    3,182.22x = 4,396.74 × 2,515.13
  4. Step 4: Simplify right side
    3,182.22x = 11,058,360.10
  5. Step 5: Solve for x
    x = 11,058,360.10/3,182.22
  6. Step 6: Final answer
    x = 3,475.05

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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.