Home / 1,464.30-2,197.67-1,311.21

Finding the Fourth Proportional to 1,464.30, 2,197.67 and 1,311.21

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Solution

The fourth proportional to 1,464.30, 2,197.67 and 1,311.21 is: 1,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.30 : 2,197.67 = 1,311.21 : x
  2. Step 2: Convert to fraction form
    1,464.30/2,197.67 = 1,311.21/x
  3. Step 3: Cross multiply
    1,464.30x = 2,197.67 × 1,311.21
  4. Step 4: Simplify right side
    1,464.30x = 2,881,600.32
  5. Step 5: Solve for x
    x = 2,881,600.32/1,464.30
  6. Step 6: Final answer
    x = 1,967.90

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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.