Home / 1,683.60-2,523.84-1,135.95

Finding the Fourth Proportional to 1,683.60, 2,523.84 and 1,135.95

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Solution

The fourth proportional to 1,683.60, 2,523.84 and 1,135.95 is: 1,702.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.60 : 2,523.84 = 1,135.95 : x
  2. Step 2: Convert to fraction form
    1,683.60/2,523.84 = 1,135.95/x
  3. Step 3: Cross multiply
    1,683.60x = 2,523.84 × 1,135.95
  4. Step 4: Simplify right side
    1,683.60x = 2,866,956.05
  5. Step 5: Solve for x
    x = 2,866,956.05/1,683.60
  6. Step 6: Final answer
    x = 1,702.87

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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.