Home / 2,306.70-3,182.67-2,105.10

Finding the Fourth Proportional to 2,306.70, 3,182.67 and 2,105.10

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Solution

The fourth proportional to 2,306.70, 3,182.67 and 2,105.10 is: 2,904.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.70 : 3,182.67 = 2,105.10 : x
  2. Step 2: Convert to fraction form
    2,306.70/3,182.67 = 2,105.10/x
  3. Step 3: Cross multiply
    2,306.70x = 3,182.67 × 2,105.10
  4. Step 4: Simplify right side
    2,306.70x = 6,699,838.62
  5. Step 5: Solve for x
    x = 6,699,838.62/2,306.70
  6. Step 6: Final answer
    x = 2,904.51

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1.5x scale

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.