Home / 1,576.37-2,175.25-868.06

Finding the Fourth Proportional to 1,576.37, 2,175.25 and 868.06

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Solution

The fourth proportional to 1,576.37, 2,175.25 and 868.06 is: 1,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576.37 : 2,175.25 = 868.06 : x
  2. Step 2: Convert to fraction form
    1,576.37/2,175.25 = 868.06/x
  3. Step 3: Cross multiply
    1,576.37x = 2,175.25 × 868.06
  4. Step 4: Simplify right side
    1,576.37x = 1,888,247.52
  5. Step 5: Solve for x
    x = 1,888,247.52/1,576.37
  6. Step 6: Final answer
    x = 1,197.85

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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.