Home / 1,837.43-2,538.99-1,339.20

Finding the Fourth Proportional to 1,837.43, 2,538.99 and 1,339.20

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Solution

The fourth proportional to 1,837.43, 2,538.99 and 1,339.20 is: 1,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,837.43 : 2,538.99 = 1,339.20 : x
  2. Step 2: Convert to fraction form
    1,837.43/2,538.99 = 1,339.20/x
  3. Step 3: Cross multiply
    1,837.43x = 2,538.99 × 1,339.20
  4. Step 4: Simplify right side
    1,837.43x = 3,400,215.41
  5. Step 5: Solve for x
    x = 3,400,215.41/1,837.43
  6. Step 6: Final answer
    x = 1,850.53

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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.