Home / 2,780.44-3,837.00-1,602.19

Finding the Fourth Proportional to 2,780.44, 3,837.00 and 1,602.19

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Solution

The fourth proportional to 2,780.44, 3,837.00 and 1,602.19 is: 2,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.44 : 3,837.00 = 1,602.19 : x
  2. Step 2: Convert to fraction form
    2,780.44/3,837.00 = 1,602.19/x
  3. Step 3: Cross multiply
    2,780.44x = 3,837.00 × 1,602.19
  4. Step 4: Simplify right side
    2,780.44x = 6,147,613.83
  5. Step 5: Solve for x
    x = 6,147,613.83/2,780.44
  6. Step 6: Final answer
    x = 2,211.02

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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.