Home / 3,931.44-5,899.56-1,622.64

Finding the Fourth Proportional to 3,931.44, 5,899.56 and 1,622.64

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Solution

The fourth proportional to 3,931.44, 5,899.56 and 1,622.64 is: 2,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.44 : 5,899.56 = 1,622.64 : x
  2. Step 2: Convert to fraction form
    3,931.44/5,899.56 = 1,622.64/x
  3. Step 3: Cross multiply
    3,931.44x = 5,899.56 × 1,622.64
  4. Step 4: Simplify right side
    3,931.44x = 9,572,862.04
  5. Step 5: Solve for x
    x = 9,572,862.04/3,931.44
  6. Step 6: Final answer
    x = 2,434.95

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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.