Home / 4,019.40-5,543.07-2,758.23

Finding the Fourth Proportional to 4,019.40, 5,543.07 and 2,758.23

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Solution

The fourth proportional to 4,019.40, 5,543.07 and 2,758.23 is: 3,803.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.40 : 5,543.07 = 2,758.23 : x
  2. Step 2: Convert to fraction form
    4,019.40/5,543.07 = 2,758.23/x
  3. Step 3: Cross multiply
    4,019.40x = 5,543.07 × 2,758.23
  4. Step 4: Simplify right side
    4,019.40x = 15,289,061.97
  5. Step 5: Solve for x
    x = 15,289,061.97/4,019.40
  6. Step 6: Final answer
    x = 3,803.82

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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.