Home / 2,828.71-3,904.05-1,617.37

Finding the Fourth Proportional to 2,828.71, 3,904.05 and 1,617.37

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Solution

The fourth proportional to 2,828.71, 3,904.05 and 1,617.37 is: 2,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.71 : 3,904.05 = 1,617.37 : x
  2. Step 2: Convert to fraction form
    2,828.71/3,904.05 = 1,617.37/x
  3. Step 3: Cross multiply
    2,828.71x = 3,904.05 × 1,617.37
  4. Step 4: Simplify right side
    2,828.71x = 6,314,293.35
  5. Step 5: Solve for x
    x = 6,314,293.35/2,828.71
  6. Step 6: Final answer
    x = 2,232.22

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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.