Home / 3,366.74-4,648.32-2,172.26

Finding the Fourth Proportional to 3,366.74, 4,648.32 and 2,172.26

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Solution

The fourth proportional to 3,366.74, 4,648.32 and 2,172.26 is: 2,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,366.74 : 4,648.32 = 2,172.26 : x
  2. Step 2: Convert to fraction form
    3,366.74/4,648.32 = 2,172.26/x
  3. Step 3: Cross multiply
    3,366.74x = 4,648.32 × 2,172.26
  4. Step 4: Simplify right side
    3,366.74x = 10,097,359.60
  5. Step 5: Solve for x
    x = 10,097,359.60/3,366.74
  6. Step 6: Final answer
    x = 2,999.15

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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.