Home / 3,578.67-5,368.84-1,113.36

Finding the Fourth Proportional to 3,578.67, 5,368.84 and 1,113.36

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Solution

The fourth proportional to 3,578.67, 5,368.84 and 1,113.36 is: 1,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.67 : 5,368.84 = 1,113.36 : x
  2. Step 2: Convert to fraction form
    3,578.67/5,368.84 = 1,113.36/x
  3. Step 3: Cross multiply
    3,578.67x = 5,368.84 × 1,113.36
  4. Step 4: Simplify right side
    3,578.67x = 5,977,448.92
  5. Step 5: Solve for x
    x = 5,977,448.92/3,578.67
  6. Step 6: Final answer
    x = 1,670.30

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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.