Home / 2,088.38-3,110.74-1,993.61

Finding the Fourth Proportional to 2,088.38, 3,110.74 and 1,993.61

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Solution

The fourth proportional to 2,088.38, 3,110.74 and 1,993.61 is: 2,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.38 : 3,110.74 = 1,993.61 : x
  2. Step 2: Convert to fraction form
    2,088.38/3,110.74 = 1,993.61/x
  3. Step 3: Cross multiply
    2,088.38x = 3,110.74 × 1,993.61
  4. Step 4: Simplify right side
    2,088.38x = 6,201,605.16
  5. Step 5: Solve for x
    x = 6,201,605.16/2,088.38
  6. Step 6: Final answer
    x = 2,969.57

Related Problems

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.