Home / 1,525.55-2,104.31-1,329.53

Finding the Fourth Proportional to 1,525.55, 2,104.31 and 1,329.53

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Solution

The fourth proportional to 1,525.55, 2,104.31 and 1,329.53 is: 1,833.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.55 : 2,104.31 = 1,329.53 : x
  2. Step 2: Convert to fraction form
    1,525.55/2,104.31 = 1,329.53/x
  3. Step 3: Cross multiply
    1,525.55x = 2,104.31 × 1,329.53
  4. Step 4: Simplify right side
    1,525.55x = 2,797,736.08
  5. Step 5: Solve for x
    x = 2,797,736.08/1,525.55
  6. Step 6: Final answer
    x = 1,833.93

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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.