Home / 3,317.05-4,577.32-1,900.74

Finding the Fourth Proportional to 3,317.05, 4,577.32 and 1,900.74

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Solution

The fourth proportional to 3,317.05, 4,577.32 and 1,900.74 is: 2,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.05 : 4,577.32 = 1,900.74 : x
  2. Step 2: Convert to fraction form
    3,317.05/4,577.32 = 1,900.74/x
  3. Step 3: Cross multiply
    3,317.05x = 4,577.32 × 1,900.74
  4. Step 4: Simplify right side
    3,317.05x = 8,700,295.22
  5. Step 5: Solve for x
    x = 8,700,295.22/3,317.05
  6. Step 6: Final answer
    x = 2,622.90

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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.