Home / 2,093.10-3,139.65-1,934.70

Finding the Fourth Proportional to 2,093.10, 3,139.65 and 1,934.70

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Solution

The fourth proportional to 2,093.10, 3,139.65 and 1,934.70 is: 2,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,093.10 : 3,139.65 = 1,934.70 : x
  2. Step 2: Convert to fraction form
    2,093.10/3,139.65 = 1,934.70/x
  3. Step 3: Cross multiply
    2,093.10x = 3,139.65 × 1,934.70
  4. Step 4: Simplify right side
    2,093.10x = 6,074,280.86
  5. Step 5: Solve for x
    x = 6,074,280.86/2,093.10
  6. Step 6: Final answer
    x = 2,902.05

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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.