Home / 1,525.62-2,104.58-965.15

Finding the Fourth Proportional to 1,525.62, 2,104.58 and 965.15

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Solution

The fourth proportional to 1,525.62, 2,104.58 and 965.15 is: 1,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.62 : 2,104.58 = 965.15 : x
  2. Step 2: Convert to fraction form
    1,525.62/2,104.58 = 965.15/x
  3. Step 3: Cross multiply
    1,525.62x = 2,104.58 × 965.15
  4. Step 4: Simplify right side
    1,525.62x = 2,031,235.39
  5. Step 5: Solve for x
    x = 2,031,235.39/1,525.62
  6. Step 6: Final answer
    x = 1,331.42

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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.