Home / 2,816.14-3,884.71-1,637.08

Finding the Fourth Proportional to 2,816.14, 3,884.71 and 1,637.08

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Solution

The fourth proportional to 2,816.14, 3,884.71 and 1,637.08 is: 2,258.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,816.14 : 3,884.71 = 1,637.08 : x
  2. Step 2: Convert to fraction form
    2,816.14/3,884.71 = 1,637.08/x
  3. Step 3: Cross multiply
    2,816.14x = 3,884.71 × 1,637.08
  4. Step 4: Simplify right side
    2,816.14x = 6,359,557.53
  5. Step 5: Solve for x
    x = 6,359,557.53/2,816.14
  6. Step 6: Final answer
    x = 2,258.26

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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.