Home / 2,510.92-3,766.74-1,211.50

Finding the Fourth Proportional to 2,510.92, 3,766.74 and 1,211.50

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Solution

The fourth proportional to 2,510.92, 3,766.74 and 1,211.50 is: 1,817.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.92 : 3,766.74 = 1,211.50 : x
  2. Step 2: Convert to fraction form
    2,510.92/3,766.74 = 1,211.50/x
  3. Step 3: Cross multiply
    2,510.92x = 3,766.74 × 1,211.50
  4. Step 4: Simplify right side
    2,510.92x = 4,563,405.51
  5. Step 5: Solve for x
    x = 4,563,405.51/2,510.92
  6. Step 6: Final answer
    x = 1,817.42

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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.