Home / 1,899.25-2,845.79-1,507.13

Finding the Fourth Proportional to 1,899.25, 2,845.79 and 1,507.13

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Solution

The fourth proportional to 1,899.25, 2,845.79 and 1,507.13 is: 2,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899.25 : 2,845.79 = 1,507.13 : x
  2. Step 2: Convert to fraction form
    1,899.25/2,845.79 = 1,507.13/x
  3. Step 3: Cross multiply
    1,899.25x = 2,845.79 × 1,507.13
  4. Step 4: Simplify right side
    1,899.25x = 4,288,975.48
  5. Step 5: Solve for x
    x = 4,288,975.48/1,899.25
  6. Step 6: Final answer
    x = 2,258.25

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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.