Home / 3,100.01-4,278.03-1,683.71

Finding the Fourth Proportional to 3,100.01, 4,278.03 and 1,683.71

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Solution

The fourth proportional to 3,100.01, 4,278.03 and 1,683.71 is: 2,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.01 : 4,278.03 = 1,683.71 : x
  2. Step 2: Convert to fraction form
    3,100.01/4,278.03 = 1,683.71/x
  3. Step 3: Cross multiply
    3,100.01x = 4,278.03 × 1,683.71
  4. Step 4: Simplify right side
    3,100.01x = 7,202,961.89
  5. Step 5: Solve for x
    x = 7,202,961.89/3,100.01
  6. Step 6: Final answer
    x = 2,323.53

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1.5x scale

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.