Home / 3,703.06-5,109.97-2,109.50

Finding the Fourth Proportional to 3,703.06, 5,109.97 and 2,109.50

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Solution

The fourth proportional to 3,703.06, 5,109.97 and 2,109.50 is: 2,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.06 : 5,109.97 = 2,109.50 : x
  2. Step 2: Convert to fraction form
    3,703.06/5,109.97 = 2,109.50/x
  3. Step 3: Cross multiply
    3,703.06x = 5,109.97 × 2,109.50
  4. Step 4: Simplify right side
    3,703.06x = 10,779,471.17
  5. Step 5: Solve for x
    x = 10,779,471.17/3,703.06
  6. Step 6: Final answer
    x = 2,910.97

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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.