Home / 2,088.09-3,146.81-1,880.11

Finding the Fourth Proportional to 2,088.09, 3,146.81 and 1,880.11

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Solution

The fourth proportional to 2,088.09, 3,146.81 and 1,880.11 is: 2,833.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.09 : 3,146.81 = 1,880.11 : x
  2. Step 2: Convert to fraction form
    2,088.09/3,146.81 = 1,880.11/x
  3. Step 3: Cross multiply
    2,088.09x = 3,146.81 × 1,880.11
  4. Step 4: Simplify right side
    2,088.09x = 5,916,348.95
  5. Step 5: Solve for x
    x = 5,916,348.95/2,088.09
  6. Step 6: Final answer
    x = 2,833.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.