Home / 2,486.56-3,422.86-2,150.32

Finding the Fourth Proportional to 2,486.56, 3,422.86 and 2,150.32

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Solution

The fourth proportional to 2,486.56, 3,422.86 and 2,150.32 is: 2,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.56 : 3,422.86 = 2,150.32 : x
  2. Step 2: Convert to fraction form
    2,486.56/3,422.86 = 2,150.32/x
  3. Step 3: Cross multiply
    2,486.56x = 3,422.86 × 2,150.32
  4. Step 4: Simplify right side
    2,486.56x = 7,360,244.32
  5. Step 5: Solve for x
    x = 7,360,244.32/2,486.56
  6. Step 6: Final answer
    x = 2,960.01

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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.