Home / 2,633.06-3,951.79-1,247.35

Finding the Fourth Proportional to 2,633.06, 3,951.79 and 1,247.35

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Solution

The fourth proportional to 2,633.06, 3,951.79 and 1,247.35 is: 1,872.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.06 : 3,951.79 = 1,247.35 : x
  2. Step 2: Convert to fraction form
    2,633.06/3,951.79 = 1,247.35/x
  3. Step 3: Cross multiply
    2,633.06x = 3,951.79 × 1,247.35
  4. Step 4: Simplify right side
    2,633.06x = 4,929,259.67
  5. Step 5: Solve for x
    x = 4,929,259.67/2,633.06
  6. Step 6: Final answer
    x = 1,872.07

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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.