Home / 1,501.25-2,071.97-1,087.97

Finding the Fourth Proportional to 1,501.25, 2,071.97 and 1,087.97

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Solution

The fourth proportional to 1,501.25, 2,071.97 and 1,087.97 is: 1,501.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501.25 : 2,071.97 = 1,087.97 : x
  2. Step 2: Convert to fraction form
    1,501.25/2,071.97 = 1,087.97/x
  3. Step 3: Cross multiply
    1,501.25x = 2,071.97 × 1,087.97
  4. Step 4: Simplify right side
    1,501.25x = 2,254,241.20
  5. Step 5: Solve for x
    x = 2,254,241.20/1,501.25
  6. Step 6: Final answer
    x = 1,501.58

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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.