Home / 2,102.04-3,149.01-1,887.39

Finding the Fourth Proportional to 2,102.04, 3,149.01 and 1,887.39

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Solution

The fourth proportional to 2,102.04, 3,149.01 and 1,887.39 is: 2,827.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.04 : 3,149.01 = 1,887.39 : x
  2. Step 2: Convert to fraction form
    2,102.04/3,149.01 = 1,887.39/x
  3. Step 3: Cross multiply
    2,102.04x = 3,149.01 × 1,887.39
  4. Step 4: Simplify right side
    2,102.04x = 5,943,409.98
  5. Step 5: Solve for x
    x = 5,943,409.98/2,102.04
  6. Step 6: Final answer
    x = 2,827.45

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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.