Home / 3,551.79-4,903.57-3,157.73

Finding the Fourth Proportional to 3,551.79, 4,903.57 and 3,157.73

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Solution

The fourth proportional to 3,551.79, 4,903.57 and 3,157.73 is: 4,359.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.79 : 4,903.57 = 3,157.73 : x
  2. Step 2: Convert to fraction form
    3,551.79/4,903.57 = 3,157.73/x
  3. Step 3: Cross multiply
    3,551.79x = 4,903.57 × 3,157.73
  4. Step 4: Simplify right side
    3,551.79x = 15,484,129.53
  5. Step 5: Solve for x
    x = 15,484,129.53/3,551.79
  6. Step 6: Final answer
    x = 4,359.53

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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.