Home / 2,094.08-3,137.88-1,391

Finding the Fourth Proportional to 2,094.08, 3,137.88 and 1,391

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Solution

The fourth proportional to 2,094.08, 3,137.88 and 1,391 is: 2,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.08 : 3,137.88 = 1,391 : x
  2. Step 2: Convert to fraction form
    2,094.08/3,137.88 = 1,391/x
  3. Step 3: Cross multiply
    2,094.08x = 3,137.88 × 1,391
  4. Step 4: Simplify right side
    2,094.08x = 4,364,791.08
  5. Step 5: Solve for x
    x = 4,364,791.08/2,094.08
  6. Step 6: Final answer
    x = 2,084.35

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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.