Home / 1,614.17-2,421.94-964.91

Finding the Fourth Proportional to 1,614.17, 2,421.94 and 964.91

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Solution

The fourth proportional to 1,614.17, 2,421.94 and 964.91 is: 1,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.17 : 2,421.94 = 964.91 : x
  2. Step 2: Convert to fraction form
    1,614.17/2,421.94 = 964.91/x
  3. Step 3: Cross multiply
    1,614.17x = 2,421.94 × 964.91
  4. Step 4: Simplify right side
    1,614.17x = 2,336,942.02
  5. Step 5: Solve for x
    x = 2,336,942.02/1,614.17
  6. Step 6: Final answer
    x = 1,447.77

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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.