Home / 2,955.29-4,427.40-2,651

Finding the Fourth Proportional to 2,955.29, 4,427.40 and 2,651

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Solution

The fourth proportional to 2,955.29, 4,427.40 and 2,651 is: 3,971.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.29 : 4,427.40 = 2,651 : x
  2. Step 2: Convert to fraction form
    2,955.29/4,427.40 = 2,651/x
  3. Step 3: Cross multiply
    2,955.29x = 4,427.40 × 2,651
  4. Step 4: Simplify right side
    2,955.29x = 11,737,037.40
  5. Step 5: Solve for x
    x = 11,737,037.40/2,955.29
  6. Step 6: Final answer
    x = 3,971.53

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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.