Home / 3,100.28-4,649.27-1,250.39

Finding the Fourth Proportional to 3,100.28, 4,649.27 and 1,250.39

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Solution

The fourth proportional to 3,100.28, 4,649.27 and 1,250.39 is: 1,875.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.28 : 4,649.27 = 1,250.39 : x
  2. Step 2: Convert to fraction form
    3,100.28/4,649.27 = 1,250.39/x
  3. Step 3: Cross multiply
    3,100.28x = 4,649.27 × 1,250.39
  4. Step 4: Simplify right side
    3,100.28x = 5,813,394.46
  5. Step 5: Solve for x
    x = 5,813,394.46/3,100.28
  6. Step 6: Final answer
    x = 1,875.12

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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.