Home / 3,258.39-4,887.01-1,409.01

Finding the Fourth Proportional to 3,258.39, 4,887.01 and 1,409.01

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Solution

The fourth proportional to 3,258.39, 4,887.01 and 1,409.01 is: 2,113.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.39 : 4,887.01 = 1,409.01 : x
  2. Step 2: Convert to fraction form
    3,258.39/4,887.01 = 1,409.01/x
  3. Step 3: Cross multiply
    3,258.39x = 4,887.01 × 1,409.01
  4. Step 4: Simplify right side
    3,258.39x = 6,885,845.96
  5. Step 5: Solve for x
    x = 6,885,845.96/3,258.39
  6. Step 6: Final answer
    x = 2,113.27

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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.