Home / 2,993.06-4,132.42-1,946.90

Finding the Fourth Proportional to 2,993.06, 4,132.42 and 1,946.90

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Solution

The fourth proportional to 2,993.06, 4,132.42 and 1,946.90 is: 2,688.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.06 : 4,132.42 = 1,946.90 : x
  2. Step 2: Convert to fraction form
    2,993.06/4,132.42 = 1,946.90/x
  3. Step 3: Cross multiply
    2,993.06x = 4,132.42 × 1,946.90
  4. Step 4: Simplify right side
    2,993.06x = 8,045,408.50
  5. Step 5: Solve for x
    x = 8,045,408.50/2,993.06
  6. Step 6: Final answer
    x = 2,688.02

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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.