Home / 1,464.27-2,020.91-834.79

Finding the Fourth Proportional to 1,464.27, 2,020.91 and 834.79

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Solution

The fourth proportional to 1,464.27, 2,020.91 and 834.79 is: 1,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.27 : 2,020.91 = 834.79 : x
  2. Step 2: Convert to fraction form
    1,464.27/2,020.91 = 834.79/x
  3. Step 3: Cross multiply
    1,464.27x = 2,020.91 × 834.79
  4. Step 4: Simplify right side
    1,464.27x = 1,687,035.46
  5. Step 5: Solve for x
    x = 1,687,035.46/1,464.27
  6. Step 6: Final answer
    x = 1,152.13

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1.5x scale

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.