Home / 3,258.58-4,890.60-1,411.10

Finding the Fourth Proportional to 3,258.58, 4,890.60 and 1,411.10

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Solution

The fourth proportional to 3,258.58, 4,890.60 and 1,411.10 is: 2,117.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.58 : 4,890.60 = 1,411.10 : x
  2. Step 2: Convert to fraction form
    3,258.58/4,890.60 = 1,411.10/x
  3. Step 3: Cross multiply
    3,258.58x = 4,890.60 × 1,411.10
  4. Step 4: Simplify right side
    3,258.58x = 6,901,125.66
  5. Step 5: Solve for x
    x = 6,901,125.66/3,258.58
  6. Step 6: Final answer
    x = 2,117.83

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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.