Home / 3,551.63-5,329.74-1,603.73

Finding the Fourth Proportional to 3,551.63, 5,329.74 and 1,603.73

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Solution

The fourth proportional to 3,551.63, 5,329.74 and 1,603.73 is: 2,406.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.63 : 5,329.74 = 1,603.73 : x
  2. Step 2: Convert to fraction form
    3,551.63/5,329.74 = 1,603.73/x
  3. Step 3: Cross multiply
    3,551.63x = 5,329.74 × 1,603.73
  4. Step 4: Simplify right side
    3,551.63x = 8,547,463.93
  5. Step 5: Solve for x
    x = 8,547,463.93/3,551.63
  6. Step 6: Final answer
    x = 2,406.63

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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.