Home / 2,868.12-4,297.48-1,769.35

Finding the Fourth Proportional to 2,868.12, 4,297.48 and 1,769.35

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Solution

The fourth proportional to 2,868.12, 4,297.48 and 1,769.35 is: 2,651.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.12 : 4,297.48 = 1,769.35 : x
  2. Step 2: Convert to fraction form
    2,868.12/4,297.48 = 1,769.35/x
  3. Step 3: Cross multiply
    2,868.12x = 4,297.48 × 1,769.35
  4. Step 4: Simplify right side
    2,868.12x = 7,603,746.24
  5. Step 5: Solve for x
    x = 7,603,746.24/2,868.12
  6. Step 6: Final answer
    x = 2,651.13

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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.