Home / 2,526.08-3,790.43-1,909.59

Finding the Fourth Proportional to 2,526.08, 3,790.43 and 1,909.59

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Solution

The fourth proportional to 2,526.08, 3,790.43 and 1,909.59 is: 2,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526.08 : 3,790.43 = 1,909.59 : x
  2. Step 2: Convert to fraction form
    2,526.08/3,790.43 = 1,909.59/x
  3. Step 3: Cross multiply
    2,526.08x = 3,790.43 × 1,909.59
  4. Step 4: Simplify right side
    2,526.08x = 7,238,157.68
  5. Step 5: Solve for x
    x = 7,238,157.68/2,526.08
  6. Step 6: Final answer
    x = 2,865.38

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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.