Home / 1,464.28-2,020.60-834.87

Finding the Fourth Proportional to 1,464.28, 2,020.60 and 834.87

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Solution

The fourth proportional to 1,464.28, 2,020.60 and 834.87 is: 1,152.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.28 : 2,020.60 = 834.87 : x
  2. Step 2: Convert to fraction form
    1,464.28/2,020.60 = 834.87/x
  3. Step 3: Cross multiply
    1,464.28x = 2,020.60 × 834.87
  4. Step 4: Simplify right side
    1,464.28x = 1,686,938.32
  5. Step 5: Solve for x
    x = 1,686,938.32/1,464.28
  6. Step 6: Final answer
    x = 1,152.06

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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.