Home / 2,195.52-3,030.32-1,264.56

Finding the Fourth Proportional to 2,195.52, 3,030.32 and 1,264.56

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Solution

The fourth proportional to 2,195.52, 3,030.32 and 1,264.56 is: 1,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.52 : 3,030.32 = 1,264.56 : x
  2. Step 2: Convert to fraction form
    2,195.52/3,030.32 = 1,264.56/x
  3. Step 3: Cross multiply
    2,195.52x = 3,030.32 × 1,264.56
  4. Step 4: Simplify right side
    2,195.52x = 3,832,021.46
  5. Step 5: Solve for x
    x = 3,832,021.46/2,195.52
  6. Step 6: Final answer
    x = 1,745.38

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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.