Home / 2,909.63-4,364.54-1,154.96

Finding the Fourth Proportional to 2,909.63, 4,364.54 and 1,154.96

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Solution

The fourth proportional to 2,909.63, 4,364.54 and 1,154.96 is: 1,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.63 : 4,364.54 = 1,154.96 : x
  2. Step 2: Convert to fraction form
    2,909.63/4,364.54 = 1,154.96/x
  3. Step 3: Cross multiply
    2,909.63x = 4,364.54 × 1,154.96
  4. Step 4: Simplify right side
    2,909.63x = 5,040,841.52
  5. Step 5: Solve for x
    x = 5,040,841.52/2,909.63
  6. Step 6: Final answer
    x = 1,732.47

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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.