Home / 1,499.16-2,248.90-403.54

Finding the Fourth Proportional to 1,499.16, 2,248.90 and 403.54

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Solution

The fourth proportional to 1,499.16, 2,248.90 and 403.54 is: 605.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,499.16 : 2,248.90 = 403.54 : x
  2. Step 2: Convert to fraction form
    1,499.16/2,248.90 = 403.54/x
  3. Step 3: Cross multiply
    1,499.16x = 2,248.90 × 403.54
  4. Step 4: Simplify right side
    1,499.16x = 907,521.11
  5. Step 5: Solve for x
    x = 907,521.11/1,499.16
  6. Step 6: Final answer
    x = 605.35

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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.