Home / 2,015.02-3,022.32-716.56

Finding the Fourth Proportional to 2,015.02, 3,022.32 and 716.56

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Solution

The fourth proportional to 2,015.02, 3,022.32 and 716.56 is: 1,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.02 : 3,022.32 = 716.56 : x
  2. Step 2: Convert to fraction form
    2,015.02/3,022.32 = 716.56/x
  3. Step 3: Cross multiply
    2,015.02x = 3,022.32 × 716.56
  4. Step 4: Simplify right side
    2,015.02x = 2,165,673.62
  5. Step 5: Solve for x
    x = 2,165,673.62/2,015.02
  6. Step 6: Final answer
    x = 1,074.77

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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.