Home / 2,868.18-4,303.30-1,408.16

Finding the Fourth Proportional to 2,868.18, 4,303.30 and 1,408.16

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Solution

The fourth proportional to 2,868.18, 4,303.30 and 1,408.16 is: 2,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.18 : 4,303.30 = 1,408.16 : x
  2. Step 2: Convert to fraction form
    2,868.18/4,303.30 = 1,408.16/x
  3. Step 3: Cross multiply
    2,868.18x = 4,303.30 × 1,408.16
  4. Step 4: Simplify right side
    2,868.18x = 6,059,734.93
  5. Step 5: Solve for x
    x = 6,059,734.93/2,868.18
  6. Step 6: Final answer
    x = 2,112.75

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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.