Home / 3,101.14-4,649.28-2,124.28

Finding the Fourth Proportional to 3,101.14, 4,649.28 and 2,124.28

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Solution

The fourth proportional to 3,101.14, 4,649.28 and 2,124.28 is: 3,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.14 : 4,649.28 = 2,124.28 : x
  2. Step 2: Convert to fraction form
    3,101.14/4,649.28 = 2,124.28/x
  3. Step 3: Cross multiply
    3,101.14x = 4,649.28 × 2,124.28
  4. Step 4: Simplify right side
    3,101.14x = 9,876,352.93
  5. Step 5: Solve for x
    x = 9,876,352.93/3,101.14
  6. Step 6: Final answer
    x = 3,184.75

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1.5x scale

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.