Home / 2,487.12-3,410.40-2,422.32

Finding the Fourth Proportional to 2,487.12, 3,410.40 and 2,422.32

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Solution

The fourth proportional to 2,487.12, 3,410.40 and 2,422.32 is: 3,321.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.12 : 3,410.40 = 2,422.32 : x
  2. Step 2: Convert to fraction form
    2,487.12/3,410.40 = 2,422.32/x
  3. Step 3: Cross multiply
    2,487.12x = 3,410.40 × 2,422.32
  4. Step 4: Simplify right side
    2,487.12x = 8,261,080.13
  5. Step 5: Solve for x
    x = 8,261,080.13/2,487.12
  6. Step 6: Final answer
    x = 3,321.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.