Home / 2,442.07-3,665.96-1,274.31

Finding the Fourth Proportional to 2,442.07, 3,665.96 and 1,274.31

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Solution

The fourth proportional to 2,442.07, 3,665.96 and 1,274.31 is: 1,912.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.07 : 3,665.96 = 1,274.31 : x
  2. Step 2: Convert to fraction form
    2,442.07/3,665.96 = 1,274.31/x
  3. Step 3: Cross multiply
    2,442.07x = 3,665.96 × 1,274.31
  4. Step 4: Simplify right side
    2,442.07x = 4,671,557.58
  5. Step 5: Solve for x
    x = 4,671,557.58/2,442.07
  6. Step 6: Final answer
    x = 1,912.95

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1.5x scale

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.