Home / 1,499.32-2,248.66-403.70

Finding the Fourth Proportional to 1,499.32, 2,248.66 and 403.70

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Solution

The fourth proportional to 1,499.32, 2,248.66 and 403.70 is: 605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.32 : 2,248.66 = 403.70 : x
  2. Step 2: Convert to fraction form
    1,499.32/2,248.66 = 403.70/x
  3. Step 3: Cross multiply
    1,499.32x = 2,248.66 × 403.70
  4. Step 4: Simplify right side
    1,499.32x = 907,771.79
  5. Step 5: Solve for x
    x = 907,771.79/1,499.32
  6. Step 6: Final answer
    x = 605.46

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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.