Home / 2,442.90-3,664.35-1,665.30

Finding the Fourth Proportional to 2,442.90, 3,664.35 and 1,665.30

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Solution

The fourth proportional to 2,442.90, 3,664.35 and 1,665.30 is: 2,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.90 : 3,664.35 = 1,665.30 : x
  2. Step 2: Convert to fraction form
    2,442.90/3,664.35 = 1,665.30/x
  3. Step 3: Cross multiply
    2,442.90x = 3,664.35 × 1,665.30
  4. Step 4: Simplify right side
    2,442.90x = 6,102,242.06
  5. Step 5: Solve for x
    x = 6,102,242.06/2,442.90
  6. Step 6: Final answer
    x = 2,497.95

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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.