Home / 3,742.91-5,615.98-2,009.51

Finding the Fourth Proportional to 3,742.91, 5,615.98 and 2,009.51

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Solution

The fourth proportional to 3,742.91, 5,615.98 and 2,009.51 is: 3,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.91 : 5,615.98 = 2,009.51 : x
  2. Step 2: Convert to fraction form
    3,742.91/5,615.98 = 2,009.51/x
  3. Step 3: Cross multiply
    3,742.91x = 5,615.98 × 2,009.51
  4. Step 4: Simplify right side
    3,742.91x = 11,285,329.84
  5. Step 5: Solve for x
    x = 11,285,329.84/3,742.91
  6. Step 6: Final answer
    x = 3,015.13

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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.