Home / 2,177.64-3,259.16-1,787.62

Finding the Fourth Proportional to 2,177.64, 3,259.16 and 1,787.62

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Solution

The fourth proportional to 2,177.64, 3,259.16 and 1,787.62 is: 2,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.64 : 3,259.16 = 1,787.62 : x
  2. Step 2: Convert to fraction form
    2,177.64/3,259.16 = 1,787.62/x
  3. Step 3: Cross multiply
    2,177.64x = 3,259.16 × 1,787.62
  4. Step 4: Simplify right side
    2,177.64x = 5,826,139.60
  5. Step 5: Solve for x
    x = 5,826,139.60/2,177.64
  6. Step 6: Final answer
    x = 2,675.44

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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.