Home / 2,955.14-4,422.44-2,087.90

Finding the Fourth Proportional to 2,955.14, 4,422.44 and 2,087.90

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Solution

The fourth proportional to 2,955.14, 4,422.44 and 2,087.90 is: 3,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.14 : 4,422.44 = 2,087.90 : x
  2. Step 2: Convert to fraction form
    2,955.14/4,422.44 = 2,087.90/x
  3. Step 3: Cross multiply
    2,955.14x = 4,422.44 × 2,087.90
  4. Step 4: Simplify right side
    2,955.14x = 9,233,612.48
  5. Step 5: Solve for x
    x = 9,233,612.48/2,955.14
  6. Step 6: Final answer
    x = 3,124.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.