Home / 4,019.91-5,543.77-2,758.74

Finding the Fourth Proportional to 4,019.91, 5,543.77 and 2,758.74

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Solution

The fourth proportional to 4,019.91, 5,543.77 and 2,758.74 is: 3,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.91 : 5,543.77 = 2,758.74 : x
  2. Step 2: Convert to fraction form
    4,019.91/5,543.77 = 2,758.74/x
  3. Step 3: Cross multiply
    4,019.91x = 5,543.77 × 2,758.74
  4. Step 4: Simplify right side
    4,019.91x = 15,293,806.26
  5. Step 5: Solve for x
    x = 15,293,806.26/4,019.91
  6. Step 6: Final answer
    x = 3,804.51

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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.