Home / 2,681.20-4,014.95-1,586.35

Finding the Fourth Proportional to 2,681.20, 4,014.95 and 1,586.35

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Solution

The fourth proportional to 2,681.20, 4,014.95 and 1,586.35 is: 2,375.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.20 : 4,014.95 = 1,586.35 : x
  2. Step 2: Convert to fraction form
    2,681.20/4,014.95 = 1,586.35/x
  3. Step 3: Cross multiply
    2,681.20x = 4,014.95 × 1,586.35
  4. Step 4: Simplify right side
    2,681.20x = 6,369,121.94
  5. Step 5: Solve for x
    x = 6,369,121.94/2,681.20
  6. Step 6: Final answer
    x = 2,375.47

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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.