Home / 2,682.50-3,702.04-1,799.78

Finding the Fourth Proportional to 2,682.50, 3,702.04 and 1,799.78

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Solution

The fourth proportional to 2,682.50, 3,702.04 and 1,799.78 is: 2,483.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.50 : 3,702.04 = 1,799.78 : x
  2. Step 2: Convert to fraction form
    2,682.50/3,702.04 = 1,799.78/x
  3. Step 3: Cross multiply
    2,682.50x = 3,702.04 × 1,799.78
  4. Step 4: Simplify right side
    2,682.50x = 6,662,857.55
  5. Step 5: Solve for x
    x = 6,662,857.55/2,682.50
  6. Step 6: Final answer
    x = 2,483.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.