Home / 4,290.76-5,919.24-2,720.17

Finding the Fourth Proportional to 4,290.76, 5,919.24 and 2,720.17

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Solution

The fourth proportional to 4,290.76, 5,919.24 and 2,720.17 is: 3,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.76 : 5,919.24 = 2,720.17 : x
  2. Step 2: Convert to fraction form
    4,290.76/5,919.24 = 2,720.17/x
  3. Step 3: Cross multiply
    4,290.76x = 5,919.24 × 2,720.17
  4. Step 4: Simplify right side
    4,290.76x = 16,101,339.07
  5. Step 5: Solve for x
    x = 16,101,339.07/4,290.76
  6. Step 6: Final answer
    x = 3,752.56

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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.