Home / 1,465.27-2,020.21-966.99

Finding the Fourth Proportional to 1,465.27, 2,020.21 and 966.99

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Solution

The fourth proportional to 1,465.27, 2,020.21 and 966.99 is: 1,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.27 : 2,020.21 = 966.99 : x
  2. Step 2: Convert to fraction form
    1,465.27/2,020.21 = 966.99/x
  3. Step 3: Cross multiply
    1,465.27x = 2,020.21 × 966.99
  4. Step 4: Simplify right side
    1,465.27x = 1,953,522.87
  5. Step 5: Solve for x
    x = 1,953,522.87/1,465.27
  6. Step 6: Final answer
    x = 1,333.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.