Home / 1,766.87-2,440.81-1,412.32

Finding the Fourth Proportional to 1,766.87, 2,440.81 and 1,412.32

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Solution

The fourth proportional to 1,766.87, 2,440.81 and 1,412.32 is: 1,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.87 : 2,440.81 = 1,412.32 : x
  2. Step 2: Convert to fraction form
    1,766.87/2,440.81 = 1,412.32/x
  3. Step 3: Cross multiply
    1,766.87x = 2,440.81 × 1,412.32
  4. Step 4: Simplify right side
    1,766.87x = 3,447,204.78
  5. Step 5: Solve for x
    x = 3,447,204.78/1,766.87
  6. Step 6: Final answer
    x = 1,951.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.