Home / 2,955.26-4,433.30-875.45

Finding the Fourth Proportional to 2,955.26, 4,433.30 and 875.45

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Solution

The fourth proportional to 2,955.26, 4,433.30 and 875.45 is: 1,313.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.26 : 4,433.30 = 875.45 : x
  2. Step 2: Convert to fraction form
    2,955.26/4,433.30 = 875.45/x
  3. Step 3: Cross multiply
    2,955.26x = 4,433.30 × 875.45
  4. Step 4: Simplify right side
    2,955.26x = 3,881,105.94
  5. Step 5: Solve for x
    x = 3,881,105.94/2,955.26
  6. Step 6: Final answer
    x = 1,313.29

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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.