Home / 3,191.16-4,787.52-1,341.27

Finding the Fourth Proportional to 3,191.16, 4,787.52 and 1,341.27

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Solution

The fourth proportional to 3,191.16, 4,787.52 and 1,341.27 is: 2,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.16 : 4,787.52 = 1,341.27 : x
  2. Step 2: Convert to fraction form
    3,191.16/4,787.52 = 1,341.27/x
  3. Step 3: Cross multiply
    3,191.16x = 4,787.52 × 1,341.27
  4. Step 4: Simplify right side
    3,191.16x = 6,421,356.95
  5. Step 5: Solve for x
    x = 6,421,356.95/3,191.16
  6. Step 6: Final answer
    x = 2,012.23

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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.