Home / 2,422.32-3,344.52-1,637.84

Finding the Fourth Proportional to 2,422.32, 3,344.52 and 1,637.84

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Solution

The fourth proportional to 2,422.32, 3,344.52 and 1,637.84 is: 2,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,422.32 : 3,344.52 = 1,637.84 : x
  2. Step 2: Convert to fraction form
    2,422.32/3,344.52 = 1,637.84/x
  3. Step 3: Cross multiply
    2,422.32x = 3,344.52 × 1,637.84
  4. Step 4: Simplify right side
    2,422.32x = 5,477,788.64
  5. Step 5: Solve for x
    x = 5,477,788.64/2,422.32
  6. Step 6: Final answer
    x = 2,261.38

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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.