Home / 1,525.14-2,288.73-659.52

Finding the Fourth Proportional to 1,525.14, 2,288.73 and 659.52

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Solution

The fourth proportional to 1,525.14, 2,288.73 and 659.52 is: 989.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.14 : 2,288.73 = 659.52 : x
  2. Step 2: Convert to fraction form
    1,525.14/2,288.73 = 659.52/x
  3. Step 3: Cross multiply
    1,525.14x = 2,288.73 × 659.52
  4. Step 4: Simplify right side
    1,525.14x = 1,509,463.21
  5. Step 5: Solve for x
    x = 1,509,463.21/1,525.14
  6. Step 6: Final answer
    x = 989.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.