Home / 2,171.58-3,258.73-1,248.93

Finding the Fourth Proportional to 2,171.58, 3,258.73 and 1,248.93

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Solution

The fourth proportional to 2,171.58, 3,258.73 and 1,248.93 is: 1,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.58 : 3,258.73 = 1,248.93 : x
  2. Step 2: Convert to fraction form
    2,171.58/3,258.73 = 1,248.93/x
  3. Step 3: Cross multiply
    2,171.58x = 3,258.73 × 1,248.93
  4. Step 4: Simplify right side
    2,171.58x = 4,069,930.68
  5. Step 5: Solve for x
    x = 4,069,930.68/2,171.58
  6. Step 6: Final answer
    x = 1,874.18

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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.