Home / 3,622.37-5,434.40-1,123.43

Finding the Fourth Proportional to 3,622.37, 5,434.40 and 1,123.43

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Solution

The fourth proportional to 3,622.37, 5,434.40 and 1,123.43 is: 1,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.37 : 5,434.40 = 1,123.43 : x
  2. Step 2: Convert to fraction form
    3,622.37/5,434.40 = 1,123.43/x
  3. Step 3: Cross multiply
    3,622.37x = 5,434.40 × 1,123.43
  4. Step 4: Simplify right side
    3,622.37x = 6,105,167.99
  5. Step 5: Solve for x
    x = 6,105,167.99/3,622.37
  6. Step 6: Final answer
    x = 1,685.41

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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.