Home / 1,458.19-2,187.32-362.56

Finding the Fourth Proportional to 1,458.19, 2,187.32 and 362.56

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Solution

The fourth proportional to 1,458.19, 2,187.32 and 362.56 is: 543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458.19 : 2,187.32 = 362.56 : x
  2. Step 2: Convert to fraction form
    1,458.19/2,187.32 = 362.56/x
  3. Step 3: Cross multiply
    1,458.19x = 2,187.32 × 362.56
  4. Step 4: Simplify right side
    1,458.19x = 793,033.60
  5. Step 5: Solve for x
    x = 793,033.60/1,458.19
  6. Step 6: Final answer
    x = 543.85

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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.