Home / 3,111.14-4,667.36-1,649.90

Finding the Fourth Proportional to 3,111.14, 4,667.36 and 1,649.90

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Solution

The fourth proportional to 3,111.14, 4,667.36 and 1,649.90 is: 2,475.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.14 : 4,667.36 = 1,649.90 : x
  2. Step 2: Convert to fraction form
    3,111.14/4,667.36 = 1,649.90/x
  3. Step 3: Cross multiply
    3,111.14x = 4,667.36 × 1,649.90
  4. Step 4: Simplify right side
    3,111.14x = 7,700,677.26
  5. Step 5: Solve for x
    x = 7,700,677.26/3,111.14
  6. Step 6: Final answer
    x = 2,475.19

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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.