Home / 1,446.81-2,158.85-1,358.65

Finding the Fourth Proportional to 1,446.81, 2,158.85 and 1,358.65

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Solution

The fourth proportional to 1,446.81, 2,158.85 and 1,358.65 is: 2,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,446.81 : 2,158.85 = 1,358.65 : x
  2. Step 2: Convert to fraction form
    1,446.81/2,158.85 = 1,358.65/x
  3. Step 3: Cross multiply
    1,446.81x = 2,158.85 × 1,358.65
  4. Step 4: Simplify right side
    1,446.81x = 2,933,109.36
  5. Step 5: Solve for x
    x = 2,933,109.36/1,446.81
  6. Step 6: Final answer
    x = 2,027.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.