Home / 2,187.93-3,018.28-1,348.37

Finding the Fourth Proportional to 2,187.93, 3,018.28 and 1,348.37

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Solution

The fourth proportional to 2,187.93, 3,018.28 and 1,348.37 is: 1,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187.93 : 3,018.28 = 1,348.37 : x
  2. Step 2: Convert to fraction form
    2,187.93/3,018.28 = 1,348.37/x
  3. Step 3: Cross multiply
    2,187.93x = 3,018.28 × 1,348.37
  4. Step 4: Simplify right side
    2,187.93x = 4,069,743.11
  5. Step 5: Solve for x
    x = 4,069,743.11/2,187.93
  6. Step 6: Final answer
    x = 1,860.09

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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.