Home / 4,042.40-5,578.62-2,977.52

Finding the Fourth Proportional to 4,042.40, 5,578.62 and 2,977.52

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Solution

The fourth proportional to 4,042.40, 5,578.62 and 2,977.52 is: 4,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.40 : 5,578.62 = 2,977.52 : x
  2. Step 2: Convert to fraction form
    4,042.40/5,578.62 = 2,977.52/x
  3. Step 3: Cross multiply
    4,042.40x = 5,578.62 × 2,977.52
  4. Step 4: Simplify right side
    4,042.40x = 16,610,452.62
  5. Step 5: Solve for x
    x = 16,610,452.62/4,042.40
  6. Step 6: Final answer
    x = 4,109.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.