Home / 3,320.64-4,581-1,922.58

Finding the Fourth Proportional to 3,320.64, 4,581 and 1,922.58

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Solution

The fourth proportional to 3,320.64, 4,581 and 1,922.58 is: 2,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.64 : 4,581 = 1,922.58 : x
  2. Step 2: Convert to fraction form
    3,320.64/4,581 = 1,922.58/x
  3. Step 3: Cross multiply
    3,320.64x = 4,581 × 1,922.58
  4. Step 4: Simplify right side
    3,320.64x = 8,807,338.98
  5. Step 5: Solve for x
    x = 8,807,338.98/3,320.64
  6. Step 6: Final answer
    x = 2,652.30

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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.