Home / 3,137.16-4,325.70-2,973

Finding the Fourth Proportional to 3,137.16, 4,325.70 and 2,973

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Solution

The fourth proportional to 3,137.16, 4,325.70 and 2,973 is: 4,099.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.16 : 4,325.70 = 2,973 : x
  2. Step 2: Convert to fraction form
    3,137.16/4,325.70 = 2,973/x
  3. Step 3: Cross multiply
    3,137.16x = 4,325.70 × 2,973
  4. Step 4: Simplify right side
    3,137.16x = 12,860,306.10
  5. Step 5: Solve for x
    x = 12,860,306.10/3,137.16
  6. Step 6: Final answer
    x = 4,099.35

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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.