Home / 1,526.26-2,289.30-659.92

Finding the Fourth Proportional to 1,526.26, 2,289.30 and 659.92

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Solution

The fourth proportional to 1,526.26, 2,289.30 and 659.92 is: 989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,526.26 : 2,289.30 = 659.92 : x
  2. Step 2: Convert to fraction form
    1,526.26/2,289.30 = 659.92/x
  3. Step 3: Cross multiply
    1,526.26x = 2,289.30 × 659.92
  4. Step 4: Simplify right side
    1,526.26x = 1,510,754.86
  5. Step 5: Solve for x
    x = 1,510,754.86/1,526.26
  6. Step 6: Final answer
    x = 989.84

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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.