Home / 1,941.23-2,909.41-1,528.73

Finding the Fourth Proportional to 1,941.23, 2,909.41 and 1,528.73

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Solution

The fourth proportional to 1,941.23, 2,909.41 and 1,528.73 is: 2,291.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.23 : 2,909.41 = 1,528.73 : x
  2. Step 2: Convert to fraction form
    1,941.23/2,909.41 = 1,528.73/x
  3. Step 3: Cross multiply
    1,941.23x = 2,909.41 × 1,528.73
  4. Step 4: Simplify right side
    1,941.23x = 4,447,714.12
  5. Step 5: Solve for x
    x = 4,447,714.12/1,941.23
  6. Step 6: Final answer
    x = 2,291.19

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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.