Home / 2,693.97-3,719.79-2,106.18

Finding the Fourth Proportional to 2,693.97, 3,719.79 and 2,106.18

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Solution

The fourth proportional to 2,693.97, 3,719.79 and 2,106.18 is: 2,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,693.97 : 3,719.79 = 2,106.18 : x
  2. Step 2: Convert to fraction form
    2,693.97/3,719.79 = 2,106.18/x
  3. Step 3: Cross multiply
    2,693.97x = 3,719.79 × 2,106.18
  4. Step 4: Simplify right side
    2,693.97x = 7,834,547.30
  5. Step 5: Solve for x
    x = 7,834,547.30/2,693.97
  6. Step 6: Final answer
    x = 2,908.18

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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.