Home / 2,132.19-3,190.19-1,916.37

Finding the Fourth Proportional to 2,132.19, 3,190.19 and 1,916.37

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Solution

The fourth proportional to 2,132.19, 3,190.19 and 1,916.37 is: 2,867.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.19 : 3,190.19 = 1,916.37 : x
  2. Step 2: Convert to fraction form
    2,132.19/3,190.19 = 1,916.37/x
  3. Step 3: Cross multiply
    2,132.19x = 3,190.19 × 1,916.37
  4. Step 4: Simplify right side
    2,132.19x = 6,113,574.83
  5. Step 5: Solve for x
    x = 6,113,574.83/2,132.19
  6. Step 6: Final answer
    x = 2,867.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.