Home / 2,682.98-3,702.06-1,687.55

Finding the Fourth Proportional to 2,682.98, 3,702.06 and 1,687.55

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Solution

The fourth proportional to 2,682.98, 3,702.06 and 1,687.55 is: 2,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.98 : 3,702.06 = 1,687.55 : x
  2. Step 2: Convert to fraction form
    2,682.98/3,702.06 = 1,687.55/x
  3. Step 3: Cross multiply
    2,682.98x = 3,702.06 × 1,687.55
  4. Step 4: Simplify right side
    2,682.98x = 6,247,392.84
  5. Step 5: Solve for x
    x = 6,247,392.84/2,682.98
  6. Step 6: Final answer
    x = 2,328.53

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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.