Home / 4,100.15-6,152.29-1,639.78

Finding the Fourth Proportional to 4,100.15, 6,152.29 and 1,639.78

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Solution

The fourth proportional to 4,100.15, 6,152.29 and 1,639.78 is: 2,460.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,100.15 : 6,152.29 = 1,639.78 : x
  2. Step 2: Convert to fraction form
    4,100.15/6,152.29 = 1,639.78/x
  3. Step 3: Cross multiply
    4,100.15x = 6,152.29 × 1,639.78
  4. Step 4: Simplify right side
    4,100.15x = 10,088,382.62
  5. Step 5: Solve for x
    x = 10,088,382.62/4,100.15
  6. Step 6: Final answer
    x = 2,460.49

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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.