Home / 4,019.72-5,543.51-2,758.55

Finding the Fourth Proportional to 4,019.72, 5,543.51 and 2,758.55

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Solution

The fourth proportional to 4,019.72, 5,543.51 and 2,758.55 is: 3,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.72 : 5,543.51 = 2,758.55 : x
  2. Step 2: Convert to fraction form
    4,019.72/5,543.51 = 2,758.55/x
  3. Step 3: Cross multiply
    4,019.72x = 5,543.51 × 2,758.55
  4. Step 4: Simplify right side
    4,019.72x = 15,292,049.51
  5. Step 5: Solve for x
    x = 15,292,049.51/4,019.72
  6. Step 6: Final answer
    x = 3,804.26

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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.