Home / 3,507.53-4,840.38-2,015.56

Finding the Fourth Proportional to 3,507.53, 4,840.38 and 2,015.56

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Solution

The fourth proportional to 3,507.53, 4,840.38 and 2,015.56 is: 2,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.53 : 4,840.38 = 2,015.56 : x
  2. Step 2: Convert to fraction form
    3,507.53/4,840.38 = 2,015.56/x
  3. Step 3: Cross multiply
    3,507.53x = 4,840.38 × 2,015.56
  4. Step 4: Simplify right side
    3,507.53x = 9,756,076.31
  5. Step 5: Solve for x
    x = 9,756,076.31/3,507.53
  6. Step 6: Final answer
    x = 2,781.47

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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.