Home / 3,504.70-5,252.51-1,422.28

Finding the Fourth Proportional to 3,504.70, 5,252.51 and 1,422.28

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Solution

The fourth proportional to 3,504.70, 5,252.51 and 1,422.28 is: 2,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.70 : 5,252.51 = 1,422.28 : x
  2. Step 2: Convert to fraction form
    3,504.70/5,252.51 = 1,422.28/x
  3. Step 3: Cross multiply
    3,504.70x = 5,252.51 × 1,422.28
  4. Step 4: Simplify right side
    3,504.70x = 7,470,539.92
  5. Step 5: Solve for x
    x = 7,470,539.92/3,504.70
  6. Step 6: Final answer
    x = 2,131.58

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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.