Home / 1,839.46-2,538.44-1,083.68

Finding the Fourth Proportional to 1,839.46, 2,538.44 and 1,083.68

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Solution

The fourth proportional to 1,839.46, 2,538.44 and 1,083.68 is: 1,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,839.46 : 2,538.44 = 1,083.68 : x
  2. Step 2: Convert to fraction form
    1,839.46/2,538.44 = 1,083.68/x
  3. Step 3: Cross multiply
    1,839.46x = 2,538.44 × 1,083.68
  4. Step 4: Simplify right side
    1,839.46x = 2,750,852.13
  5. Step 5: Solve for x
    x = 2,750,852.13/1,839.46
  6. Step 6: Final answer
    x = 1,495.47

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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.