Home / 2,680.58-4,017.75-1,585.86

Finding the Fourth Proportional to 2,680.58, 4,017.75 and 1,585.86

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Solution

The fourth proportional to 2,680.58, 4,017.75 and 1,585.86 is: 2,376.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.58 : 4,017.75 = 1,585.86 : x
  2. Step 2: Convert to fraction form
    2,680.58/4,017.75 = 1,585.86/x
  3. Step 3: Cross multiply
    2,680.58x = 4,017.75 × 1,585.86
  4. Step 4: Simplify right side
    2,680.58x = 6,371,589.02
  5. Step 5: Solve for x
    x = 6,371,589.02/2,680.58
  6. Step 6: Final answer
    x = 2,376.95

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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.