Home / 2,175.09-3,258.32-1,403.25

Finding the Fourth Proportional to 2,175.09, 3,258.32 and 1,403.25

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Solution

The fourth proportional to 2,175.09, 3,258.32 and 1,403.25 is: 2,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.09 : 3,258.32 = 1,403.25 : x
  2. Step 2: Convert to fraction form
    2,175.09/3,258.32 = 1,403.25/x
  3. Step 3: Cross multiply
    2,175.09x = 3,258.32 × 1,403.25
  4. Step 4: Simplify right side
    2,175.09x = 4,572,230.52
  5. Step 5: Solve for x
    x = 4,572,230.52/2,175.09
  6. Step 6: Final answer
    x = 2,102.09

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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.