Home / 3,264.60-4,504.69-1,920.27

Finding the Fourth Proportional to 3,264.60, 4,504.69 and 1,920.27

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Solution

The fourth proportional to 3,264.60, 4,504.69 and 1,920.27 is: 2,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.60 : 4,504.69 = 1,920.27 : x
  2. Step 2: Convert to fraction form
    3,264.60/4,504.69 = 1,920.27/x
  3. Step 3: Cross multiply
    3,264.60x = 4,504.69 × 1,920.27
  4. Step 4: Simplify right side
    3,264.60x = 8,650,221.07
  5. Step 5: Solve for x
    x = 8,650,221.07/3,264.60
  6. Step 6: Final answer
    x = 2,649.70

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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.