Home / 2,787.08-4,180.64-2,266.47

Finding the Fourth Proportional to 2,787.08, 4,180.64 and 2,266.47

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Solution

The fourth proportional to 2,787.08, 4,180.64 and 2,266.47 is: 3,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.08 : 4,180.64 = 2,266.47 : x
  2. Step 2: Convert to fraction form
    2,787.08/4,180.64 = 2,266.47/x
  3. Step 3: Cross multiply
    2,787.08x = 4,180.64 × 2,266.47
  4. Step 4: Simplify right side
    2,787.08x = 9,475,283.81
  5. Step 5: Solve for x
    x = 9,475,283.81/2,787.08
  6. Step 6: Final answer
    x = 3,399.72

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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.