Home / 3,557.37-4,898.42-3,223.70

Finding the Fourth Proportional to 3,557.37, 4,898.42 and 3,223.70

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Solution

The fourth proportional to 3,557.37, 4,898.42 and 3,223.70 is: 4,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.37 : 4,898.42 = 3,223.70 : x
  2. Step 2: Convert to fraction form
    3,557.37/4,898.42 = 3,223.70/x
  3. Step 3: Cross multiply
    3,557.37x = 4,898.42 × 3,223.70
  4. Step 4: Simplify right side
    3,557.37x = 15,791,044.53
  5. Step 5: Solve for x
    x = 15,791,044.53/3,557.37
  6. Step 6: Final answer
    x = 4,438.97

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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.