Home / 2,737.32-4,106.34-2,121

Finding the Fourth Proportional to 2,737.32, 4,106.34 and 2,121

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Solution

The fourth proportional to 2,737.32, 4,106.34 and 2,121 is: 3,181.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,737.32 : 4,106.34 = 2,121 : x
  2. Step 2: Convert to fraction form
    2,737.32/4,106.34 = 2,121/x
  3. Step 3: Cross multiply
    2,737.32x = 4,106.34 × 2,121
  4. Step 4: Simplify right side
    2,737.32x = 8,709,547.14
  5. Step 5: Solve for x
    x = 8,709,547.14/2,737.32
  6. Step 6: Final answer
    x = 3,181.78

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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.