Home / 2,110.39-3,164.51-1,123.77

Finding the Fourth Proportional to 2,110.39, 3,164.51 and 1,123.77

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Solution

The fourth proportional to 2,110.39, 3,164.51 and 1,123.77 is: 1,685.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.39 : 3,164.51 = 1,123.77 : x
  2. Step 2: Convert to fraction form
    2,110.39/3,164.51 = 1,123.77/x
  3. Step 3: Cross multiply
    2,110.39x = 3,164.51 × 1,123.77
  4. Step 4: Simplify right side
    2,110.39x = 3,556,159.96
  5. Step 5: Solve for x
    x = 3,556,159.96/2,110.39
  6. Step 6: Final answer
    x = 1,685.07

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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.