Home / 2,955.84-4,422.48-1,781.52

Finding the Fourth Proportional to 2,955.84, 4,422.48 and 1,781.52

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Solution

The fourth proportional to 2,955.84, 4,422.48 and 1,781.52 is: 2,665.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.84 : 4,422.48 = 1,781.52 : x
  2. Step 2: Convert to fraction form
    2,955.84/4,422.48 = 1,781.52/x
  3. Step 3: Cross multiply
    2,955.84x = 4,422.48 × 1,781.52
  4. Step 4: Simplify right side
    2,955.84x = 7,878,736.57
  5. Step 5: Solve for x
    x = 7,878,736.57/2,955.84
  6. Step 6: Final answer
    x = 2,665.48

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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.