Home / 1,846.40-2,766.53-1,325.63

Finding the Fourth Proportional to 1,846.40, 2,766.53 and 1,325.63

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Solution

The fourth proportional to 1,846.40, 2,766.53 and 1,325.63 is: 1,986.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.40 : 2,766.53 = 1,325.63 : x
  2. Step 2: Convert to fraction form
    1,846.40/2,766.53 = 1,325.63/x
  3. Step 3: Cross multiply
    1,846.40x = 2,766.53 × 1,325.63
  4. Step 4: Simplify right side
    1,846.40x = 3,667,374.70
  5. Step 5: Solve for x
    x = 3,667,374.70/1,846.40
  6. Step 6: Final answer
    x = 1,986.23

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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.