Home / 1,464.38-2,196.72-368.75

Finding the Fourth Proportional to 1,464.38, 2,196.72 and 368.75

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Solution

The fourth proportional to 1,464.38, 2,196.72 and 368.75 is: 553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.38 : 2,196.72 = 368.75 : x
  2. Step 2: Convert to fraction form
    1,464.38/2,196.72 = 368.75/x
  3. Step 3: Cross multiply
    1,464.38x = 2,196.72 × 368.75
  4. Step 4: Simplify right side
    1,464.38x = 810,045.99
  5. Step 5: Solve for x
    x = 810,045.99/1,464.38
  6. Step 6: Final answer
    x = 553.17

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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.