Home / 2,071.44-2,858.34-1,187.04

Finding the Fourth Proportional to 2,071.44, 2,858.34 and 1,187.04

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Solution

The fourth proportional to 2,071.44, 2,858.34 and 1,187.04 is: 1,637.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.44 : 2,858.34 = 1,187.04 : x
  2. Step 2: Convert to fraction form
    2,071.44/2,858.34 = 1,187.04/x
  3. Step 3: Cross multiply
    2,071.44x = 2,858.34 × 1,187.04
  4. Step 4: Simplify right side
    2,071.44x = 3,392,963.91
  5. Step 5: Solve for x
    x = 3,392,963.91/2,071.44
  6. Step 6: Final answer
    x = 1,637.97

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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.