Home / 2,098.08-2,894.58-1,258.20

Finding the Fourth Proportional to 2,098.08, 2,894.58 and 1,258.20

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Solution

The fourth proportional to 2,098.08, 2,894.58 and 1,258.20 is: 1,735.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.08 : 2,894.58 = 1,258.20 : x
  2. Step 2: Convert to fraction form
    2,098.08/2,894.58 = 1,258.20/x
  3. Step 3: Cross multiply
    2,098.08x = 2,894.58 × 1,258.20
  4. Step 4: Simplify right side
    2,098.08x = 3,641,960.56
  5. Step 5: Solve for x
    x = 3,641,960.56/2,098.08
  6. Step 6: Final answer
    x = 1,735.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.