Home / 2,175.51-3,003.21-1,458.90

Finding the Fourth Proportional to 2,175.51, 3,003.21 and 1,458.90

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Solution

The fourth proportional to 2,175.51, 3,003.21 and 1,458.90 is: 2,013.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.51 : 3,003.21 = 1,458.90 : x
  2. Step 2: Convert to fraction form
    2,175.51/3,003.21 = 1,458.90/x
  3. Step 3: Cross multiply
    2,175.51x = 3,003.21 × 1,458.90
  4. Step 4: Simplify right side
    2,175.51x = 4,381,383.07
  5. Step 5: Solve for x
    x = 4,381,383.07/2,175.51
  6. Step 6: Final answer
    x = 2,013.96

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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.