Home / 1,532.64-2,115.06-834.03

Finding the Fourth Proportional to 1,532.64, 2,115.06 and 834.03

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Solution

The fourth proportional to 1,532.64, 2,115.06 and 834.03 is: 1,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532.64 : 2,115.06 = 834.03 : x
  2. Step 2: Convert to fraction form
    1,532.64/2,115.06 = 834.03/x
  3. Step 3: Cross multiply
    1,532.64x = 2,115.06 × 834.03
  4. Step 4: Simplify right side
    1,532.64x = 1,764,023.49
  5. Step 5: Solve for x
    x = 1,764,023.49/1,532.64
  6. Step 6: Final answer
    x = 1,150.97

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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.