Home / 3,931.24-5,897.96-1,622.20

Finding the Fourth Proportional to 3,931.24, 5,897.96 and 1,622.20

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Solution

The fourth proportional to 3,931.24, 5,897.96 and 1,622.20 is: 2,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.24 : 5,897.96 = 1,622.20 : x
  2. Step 2: Convert to fraction form
    3,931.24/5,897.96 = 1,622.20/x
  3. Step 3: Cross multiply
    3,931.24x = 5,897.96 × 1,622.20
  4. Step 4: Simplify right side
    3,931.24x = 9,567,670.71
  5. Step 5: Solve for x
    x = 9,567,670.71/3,931.24
  6. Step 6: Final answer
    x = 2,433.75

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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.