Home / 3,578.24-5,368.65-1,603.70

Finding the Fourth Proportional to 3,578.24, 5,368.65 and 1,603.70

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Solution

The fourth proportional to 3,578.24, 5,368.65 and 1,603.70 is: 2,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.24 : 5,368.65 = 1,603.70 : x
  2. Step 2: Convert to fraction form
    3,578.24/5,368.65 = 1,603.70/x
  3. Step 3: Cross multiply
    3,578.24x = 5,368.65 × 1,603.70
  4. Step 4: Simplify right side
    3,578.24x = 8,609,704.01
  5. Step 5: Solve for x
    x = 8,609,704.01/3,578.24
  6. Step 6: Final answer
    x = 2,406.13

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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.