Home / 2,384.27-3,577.42-1,289.40

Finding the Fourth Proportional to 2,384.27, 3,577.42 and 1,289.40

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Solution

The fourth proportional to 2,384.27, 3,577.42 and 1,289.40 is: 1,934.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,384.27 : 3,577.42 = 1,289.40 : x
  2. Step 2: Convert to fraction form
    2,384.27/3,577.42 = 1,289.40/x
  3. Step 3: Cross multiply
    2,384.27x = 3,577.42 × 1,289.40
  4. Step 4: Simplify right side
    2,384.27x = 4,612,725.35
  5. Step 5: Solve for x
    x = 4,612,725.35/2,384.27
  6. Step 6: Final answer
    x = 1,934.65

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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.