Home / 3,317.59-4,577.97-1,920.07

Finding the Fourth Proportional to 3,317.59, 4,577.97 and 1,920.07

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Solution

The fourth proportional to 3,317.59, 4,577.97 and 1,920.07 is: 2,649.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.59 : 4,577.97 = 1,920.07 : x
  2. Step 2: Convert to fraction form
    3,317.59/4,577.97 = 1,920.07/x
  3. Step 3: Cross multiply
    3,317.59x = 4,577.97 × 1,920.07
  4. Step 4: Simplify right side
    3,317.59x = 8,790,022.86
  5. Step 5: Solve for x
    x = 8,790,022.86/3,317.59
  6. Step 6: Final answer
    x = 2,649.52

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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.