Home / 1,891.41-2,837.12-575.18

Finding the Fourth Proportional to 1,891.41, 2,837.12 and 575.18

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Solution

The fourth proportional to 1,891.41, 2,837.12 and 575.18 is: 862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.41 : 2,837.12 = 575.18 : x
  2. Step 2: Convert to fraction form
    1,891.41/2,837.12 = 575.18/x
  3. Step 3: Cross multiply
    1,891.41x = 2,837.12 × 575.18
  4. Step 4: Simplify right side
    1,891.41x = 1,631,837.62
  5. Step 5: Solve for x
    x = 1,631,837.62/1,891.41
  6. Step 6: Final answer
    x = 862.76

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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.