Home / 2,868.10-4,304.07-1,019.20

Finding the Fourth Proportional to 2,868.10, 4,304.07 and 1,019.20

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Solution

The fourth proportional to 2,868.10, 4,304.07 and 1,019.20 is: 1,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.10 : 4,304.07 = 1,019.20 : x
  2. Step 2: Convert to fraction form
    2,868.10/4,304.07 = 1,019.20/x
  3. Step 3: Cross multiply
    2,868.10x = 4,304.07 × 1,019.20
  4. Step 4: Simplify right side
    2,868.10x = 4,386,708.14
  5. Step 5: Solve for x
    x = 4,386,708.14/2,868.10
  6. Step 6: Final answer
    x = 1,529.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.