Home / 3,446.95-5,170.52-1,257.31

Finding the Fourth Proportional to 3,446.95, 5,170.52 and 1,257.31

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Solution

The fourth proportional to 3,446.95, 5,170.52 and 1,257.31 is: 1,886.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,446.95 : 5,170.52 = 1,257.31 : x
  2. Step 2: Convert to fraction form
    3,446.95/5,170.52 = 1,257.31/x
  3. Step 3: Cross multiply
    3,446.95x = 5,170.52 × 1,257.31
  4. Step 4: Simplify right side
    3,446.95x = 6,500,940.21
  5. Step 5: Solve for x
    x = 6,500,940.21/3,446.95
  6. Step 6: Final answer
    x = 1,886.00

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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.