Home / 1,436.19-2,152.71-614.22

Finding the Fourth Proportional to 1,436.19, 2,152.71 and 614.22

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Solution

The fourth proportional to 1,436.19, 2,152.71 and 614.22 is: 920.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.19 : 2,152.71 = 614.22 : x
  2. Step 2: Convert to fraction form
    1,436.19/2,152.71 = 614.22/x
  3. Step 3: Cross multiply
    1,436.19x = 2,152.71 × 614.22
  4. Step 4: Simplify right side
    1,436.19x = 1,322,237.54
  5. Step 5: Solve for x
    x = 1,322,237.54/1,436.19
  6. Step 6: Final answer
    x = 920.66

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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.