Home / 1,499.12-2,248.67-403.39

Finding the Fourth Proportional to 1,499.12, 2,248.67 and 403.39

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Solution

The fourth proportional to 1,499.12, 2,248.67 and 403.39 is: 605.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.12 : 2,248.67 = 403.39 : x
  2. Step 2: Convert to fraction form
    1,499.12/2,248.67 = 403.39/x
  3. Step 3: Cross multiply
    1,499.12x = 2,248.67 × 403.39
  4. Step 4: Simplify right side
    1,499.12x = 907,077.73
  5. Step 5: Solve for x
    x = 907,077.73/1,499.12
  6. Step 6: Final answer
    x = 605.08

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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.