Home / 2,148.80-3,206.08-1,837.22

Finding the Fourth Proportional to 2,148.80, 3,206.08 and 1,837.22

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Solution

The fourth proportional to 2,148.80, 3,206.08 and 1,837.22 is: 2,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148.80 : 3,206.08 = 1,837.22 : x
  2. Step 2: Convert to fraction form
    2,148.80/3,206.08 = 1,837.22/x
  3. Step 3: Cross multiply
    2,148.80x = 3,206.08 × 1,837.22
  4. Step 4: Simplify right side
    2,148.80x = 5,890,274.30
  5. Step 5: Solve for x
    x = 5,890,274.30/2,148.80
  6. Step 6: Final answer
    x = 2,741.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.