Home / 2,134.90-3,187.67-1,901.08

Finding the Fourth Proportional to 2,134.90, 3,187.67 and 1,901.08

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Solution

The fourth proportional to 2,134.90, 3,187.67 and 1,901.08 is: 2,838.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.90 : 3,187.67 = 1,901.08 : x
  2. Step 2: Convert to fraction form
    2,134.90/3,187.67 = 1,901.08/x
  3. Step 3: Cross multiply
    2,134.90x = 3,187.67 × 1,901.08
  4. Step 4: Simplify right side
    2,134.90x = 6,060,015.68
  5. Step 5: Solve for x
    x = 6,060,015.68/2,134.90
  6. Step 6: Final answer
    x = 2,838.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.