Home / 2,175.30-3,260.32-1,003.70

Finding the Fourth Proportional to 2,175.30, 3,260.32 and 1,003.70

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Solution

The fourth proportional to 2,175.30, 3,260.32 and 1,003.70 is: 1,504.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.30 : 3,260.32 = 1,003.70 : x
  2. Step 2: Convert to fraction form
    2,175.30/3,260.32 = 1,003.70/x
  3. Step 3: Cross multiply
    2,175.30x = 3,260.32 × 1,003.70
  4. Step 4: Simplify right side
    2,175.30x = 3,272,388.83
  5. Step 5: Solve for x
    x = 3,272,388.83/2,175.30
  6. Step 6: Final answer
    x = 1,504.34

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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.