Home / 1,675.97-2,314.22-1,087.51

Finding the Fourth Proportional to 1,675.97, 2,314.22 and 1,087.51

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Solution

The fourth proportional to 1,675.97, 2,314.22 and 1,087.51 is: 1,501.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.97 : 2,314.22 = 1,087.51 : x
  2. Step 2: Convert to fraction form
    1,675.97/2,314.22 = 1,087.51/x
  3. Step 3: Cross multiply
    1,675.97x = 2,314.22 × 1,087.51
  4. Step 4: Simplify right side
    1,675.97x = 2,516,737.39
  5. Step 5: Solve for x
    x = 2,516,737.39/1,675.97
  6. Step 6: Final answer
    x = 1,501.66

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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.