Home / 4,101.86-6,152.40-1,636.02

Finding the Fourth Proportional to 4,101.86, 6,152.40 and 1,636.02

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Solution

The fourth proportional to 4,101.86, 6,152.40 and 1,636.02 is: 2,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,101.86 : 6,152.40 = 1,636.02 : x
  2. Step 2: Convert to fraction form
    4,101.86/6,152.40 = 1,636.02/x
  3. Step 3: Cross multiply
    4,101.86x = 6,152.40 × 1,636.02
  4. Step 4: Simplify right side
    4,101.86x = 10,065,449.45
  5. Step 5: Solve for x
    x = 10,065,449.45/4,101.86
  6. Step 6: Final answer
    x = 2,453.87

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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.