Home / 2,299.95-3,172.26-1,415.43

Finding the Fourth Proportional to 2,299.95, 3,172.26 and 1,415.43

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Solution

The fourth proportional to 2,299.95, 3,172.26 and 1,415.43 is: 1,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.95 : 3,172.26 = 1,415.43 : x
  2. Step 2: Convert to fraction form
    2,299.95/3,172.26 = 1,415.43/x
  3. Step 3: Cross multiply
    2,299.95x = 3,172.26 × 1,415.43
  4. Step 4: Simplify right side
    2,299.95x = 4,490,111.97
  5. Step 5: Solve for x
    x = 4,490,111.97/2,299.95
  6. Step 6: Final answer
    x = 1,952.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.