Home / 1,603.29-2,401.79-1,429.14

Finding the Fourth Proportional to 1,603.29, 2,401.79 and 1,429.14

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Solution

The fourth proportional to 1,603.29, 2,401.79 and 1,429.14 is: 2,140.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603.29 : 2,401.79 = 1,429.14 : x
  2. Step 2: Convert to fraction form
    1,603.29/2,401.79 = 1,429.14/x
  3. Step 3: Cross multiply
    1,603.29x = 2,401.79 × 1,429.14
  4. Step 4: Simplify right side
    1,603.29x = 3,432,494.16
  5. Step 5: Solve for x
    x = 3,432,494.16/1,603.29
  6. Step 6: Final answer
    x = 2,140.91

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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.