Home / 1,525.44-2,105.15-935.85

Finding the Fourth Proportional to 1,525.44, 2,105.15 and 935.85

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Solution

The fourth proportional to 1,525.44, 2,105.15 and 935.85 is: 1,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.44 : 2,105.15 = 935.85 : x
  2. Step 2: Convert to fraction form
    1,525.44/2,105.15 = 935.85/x
  3. Step 3: Cross multiply
    1,525.44x = 2,105.15 × 935.85
  4. Step 4: Simplify right side
    1,525.44x = 1,970,098.19
  5. Step 5: Solve for x
    x = 1,970,098.19/1,525.44
  6. Step 6: Final answer
    x = 1,291.50

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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.