Home / 2,955.27-4,433.82-875.28

Finding the Fourth Proportional to 2,955.27, 4,433.82 and 875.28

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Solution

The fourth proportional to 2,955.27, 4,433.82 and 875.28 is: 1,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.27 : 4,433.82 = 875.28 : x
  2. Step 2: Convert to fraction form
    2,955.27/4,433.82 = 875.28/x
  3. Step 3: Cross multiply
    2,955.27x = 4,433.82 × 875.28
  4. Step 4: Simplify right side
    2,955.27x = 3,880,833.97
  5. Step 5: Solve for x
    x = 3,880,833.97/2,955.27
  6. Step 6: Final answer
    x = 1,313.19

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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.