Home / 1,464.85-2,197.39-490.95

Finding the Fourth Proportional to 1,464.85, 2,197.39 and 490.95

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Solution

The fourth proportional to 1,464.85, 2,197.39 and 490.95 is: 736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.85 : 2,197.39 = 490.95 : x
  2. Step 2: Convert to fraction form
    1,464.85/2,197.39 = 490.95/x
  3. Step 3: Cross multiply
    1,464.85x = 2,197.39 × 490.95
  4. Step 4: Simplify right side
    1,464.85x = 1,078,806.17
  5. Step 5: Solve for x
    x = 1,078,806.17/1,464.85
  6. Step 6: Final answer
    x = 736.46

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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.