Home / 3,051.32-4,578.88-1,408.10

Finding the Fourth Proportional to 3,051.32, 4,578.88 and 1,408.10

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Solution

The fourth proportional to 3,051.32, 4,578.88 and 1,408.10 is: 2,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,051.32 : 4,578.88 = 1,408.10 : x
  2. Step 2: Convert to fraction form
    3,051.32/4,578.88 = 1,408.10/x
  3. Step 3: Cross multiply
    3,051.32x = 4,578.88 × 1,408.10
  4. Step 4: Simplify right side
    3,051.32x = 6,447,520.93
  5. Step 5: Solve for x
    x = 6,447,520.93/3,051.32
  6. Step 6: Final answer
    x = 2,113.03

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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.