Home / 2,442.72-3,646.36-2,271.82

Finding the Fourth Proportional to 2,442.72, 3,646.36 and 2,271.82

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Solution

The fourth proportional to 2,442.72, 3,646.36 and 2,271.82 is: 3,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.72 : 3,646.36 = 2,271.82 : x
  2. Step 2: Convert to fraction form
    2,442.72/3,646.36 = 2,271.82/x
  3. Step 3: Cross multiply
    2,442.72x = 3,646.36 × 2,271.82
  4. Step 4: Simplify right side
    2,442.72x = 8,283,873.58
  5. Step 5: Solve for x
    x = 8,283,873.58/2,442.72
  6. Step 6: Final answer
    x = 3,391.25

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.