Home / 2,403.96-3,603.79-1,309.24

Finding the Fourth Proportional to 2,403.96, 3,603.79 and 1,309.24

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Solution

The fourth proportional to 2,403.96, 3,603.79 and 1,309.24 is: 1,962.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.96 : 3,603.79 = 1,309.24 : x
  2. Step 2: Convert to fraction form
    2,403.96/3,603.79 = 1,309.24/x
  3. Step 3: Cross multiply
    2,403.96x = 3,603.79 × 1,309.24
  4. Step 4: Simplify right side
    2,403.96x = 4,718,226.02
  5. Step 5: Solve for x
    x = 4,718,226.02/2,403.96
  6. Step 6: Final answer
    x = 1,962.69

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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.