Home / 2,191.16-3,288.44-1,637.26

Finding the Fourth Proportional to 2,191.16, 3,288.44 and 1,637.26

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Solution

The fourth proportional to 2,191.16, 3,288.44 and 1,637.26 is: 2,457.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191.16 : 3,288.44 = 1,637.26 : x
  2. Step 2: Convert to fraction form
    2,191.16/3,288.44 = 1,637.26/x
  3. Step 3: Cross multiply
    2,191.16x = 3,288.44 × 1,637.26
  4. Step 4: Simplify right side
    2,191.16x = 5,384,031.27
  5. Step 5: Solve for x
    x = 5,384,031.27/2,191.16
  6. Step 6: Final answer
    x = 2,457.16

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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.