Home / 1,899.33-2,620.74-1,153.14

Finding the Fourth Proportional to 1,899.33, 2,620.74 and 1,153.14

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Solution

The fourth proportional to 1,899.33, 2,620.74 and 1,153.14 is: 1,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.33 : 2,620.74 = 1,153.14 : x
  2. Step 2: Convert to fraction form
    1,899.33/2,620.74 = 1,153.14/x
  3. Step 3: Cross multiply
    1,899.33x = 2,620.74 × 1,153.14
  4. Step 4: Simplify right side
    1,899.33x = 3,022,080.12
  5. Step 5: Solve for x
    x = 3,022,080.12/1,899.33
  6. Step 6: Final answer
    x = 1,591.13

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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.