Home / 2,403.24-3,603.63-1,428.81

Finding the Fourth Proportional to 2,403.24, 3,603.63 and 1,428.81

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Solution

The fourth proportional to 2,403.24, 3,603.63 and 1,428.81 is: 2,142.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.24 : 3,603.63 = 1,428.81 : x
  2. Step 2: Convert to fraction form
    2,403.24/3,603.63 = 1,428.81/x
  3. Step 3: Cross multiply
    2,403.24x = 3,603.63 × 1,428.81
  4. Step 4: Simplify right side
    2,403.24x = 5,148,902.58
  5. Step 5: Solve for x
    x = 5,148,902.58/2,403.24
  6. Step 6: Final answer
    x = 2,142.48

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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.