Home / 3,449.10-4,761.87-2,124.60

Finding the Fourth Proportional to 3,449.10, 4,761.87 and 2,124.60

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Solution

The fourth proportional to 3,449.10, 4,761.87 and 2,124.60 is: 2,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,449.10 : 4,761.87 = 2,124.60 : x
  2. Step 2: Convert to fraction form
    3,449.10/4,761.87 = 2,124.60/x
  3. Step 3: Cross multiply
    3,449.10x = 4,761.87 × 2,124.60
  4. Step 4: Simplify right side
    3,449.10x = 10,117,069.00
  5. Step 5: Solve for x
    x = 10,117,069.00/3,449.10
  6. Step 6: Final answer
    x = 2,933.25

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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.