Home / 3,110.00-4,292.70-1,993.92

Finding the Fourth Proportional to 3,110.00, 4,292.70 and 1,993.92

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Solution

The fourth proportional to 3,110.00, 4,292.70 and 1,993.92 is: 2,752.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.00 : 4,292.70 = 1,993.92 : x
  2. Step 2: Convert to fraction form
    3,110.00/4,292.70 = 1,993.92/x
  3. Step 3: Cross multiply
    3,110.00x = 4,292.70 × 1,993.92
  4. Step 4: Simplify right side
    3,110.00x = 8,559,276.81
  5. Step 5: Solve for x
    x = 8,559,276.81/3,110.00
  6. Step 6: Final answer
    x = 2,752.18

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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.