Home / 2,275.76-3,412.13-1,837.55

Finding the Fourth Proportional to 2,275.76, 3,412.13 and 1,837.55

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Solution

The fourth proportional to 2,275.76, 3,412.13 and 1,837.55 is: 2,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.76 : 3,412.13 = 1,837.55 : x
  2. Step 2: Convert to fraction form
    2,275.76/3,412.13 = 1,837.55/x
  3. Step 3: Cross multiply
    2,275.76x = 3,412.13 × 1,837.55
  4. Step 4: Simplify right side
    2,275.76x = 6,269,958.82
  5. Step 5: Solve for x
    x = 6,269,958.82/2,275.76
  6. Step 6: Final answer
    x = 2,755.10

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1.5x scale

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.