Home / 4,101.16-6,151.90-1,636.20

Finding the Fourth Proportional to 4,101.16, 6,151.90 and 1,636.20

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Solution

The fourth proportional to 4,101.16, 6,151.90 and 1,636.20 is: 2,454.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.16 : 6,151.90 = 1,636.20 : x
  2. Step 2: Convert to fraction form
    4,101.16/6,151.90 = 1,636.20/x
  3. Step 3: Cross multiply
    4,101.16x = 6,151.90 × 1,636.20
  4. Step 4: Simplify right side
    4,101.16x = 10,065,738.78
  5. Step 5: Solve for x
    x = 10,065,738.78/4,101.16
  6. Step 6: Final answer
    x = 2,454.36

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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.