Home / 3,578.83-5,368.85-1,113.16

Finding the Fourth Proportional to 3,578.83, 5,368.85 and 1,113.16

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Solution

The fourth proportional to 3,578.83, 5,368.85 and 1,113.16 is: 1,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.83 : 5,368.85 = 1,113.16 : x
  2. Step 2: Convert to fraction form
    3,578.83/5,368.85 = 1,113.16/x
  3. Step 3: Cross multiply
    3,578.83x = 5,368.85 × 1,113.16
  4. Step 4: Simplify right side
    3,578.83x = 5,976,370.08
  5. Step 5: Solve for x
    x = 5,976,370.08/3,578.83
  6. Step 6: Final answer
    x = 1,669.92

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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.