Home / 4,159.80-6,231.60-2,511.45

Finding the Fourth Proportional to 4,159.80, 6,231.60 and 2,511.45

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Solution

The fourth proportional to 4,159.80, 6,231.60 and 2,511.45 is: 3,762.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.80 : 6,231.60 = 2,511.45 : x
  2. Step 2: Convert to fraction form
    4,159.80/6,231.60 = 2,511.45/x
  3. Step 3: Cross multiply
    4,159.80x = 6,231.60 × 2,511.45
  4. Step 4: Simplify right side
    4,159.80x = 15,650,351.82
  5. Step 5: Solve for x
    x = 15,650,351.82/4,159.80
  6. Step 6: Final answer
    x = 3,762.28

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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.