Home / 2,991.60-4,483.35-1,742.85

Finding the Fourth Proportional to 2,991.60, 4,483.35 and 1,742.85

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Solution

The fourth proportional to 2,991.60, 4,483.35 and 1,742.85 is: 2,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.60 : 4,483.35 = 1,742.85 : x
  2. Step 2: Convert to fraction form
    2,991.60/4,483.35 = 1,742.85/x
  3. Step 3: Cross multiply
    2,991.60x = 4,483.35 × 1,742.85
  4. Step 4: Simplify right side
    2,991.60x = 7,813,806.55
  5. Step 5: Solve for x
    x = 7,813,806.55/2,991.60
  6. Step 6: Final answer
    x = 2,611.92

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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.