Home / 1,880.84-2,821.26-1,766.66

Finding the Fourth Proportional to 1,880.84, 2,821.26 and 1,766.66

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Solution

The fourth proportional to 1,880.84, 2,821.26 and 1,766.66 is: 2,649.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,880.84 : 2,821.26 = 1,766.66 : x
  2. Step 2: Convert to fraction form
    1,880.84/2,821.26 = 1,766.66/x
  3. Step 3: Cross multiply
    1,880.84x = 2,821.26 × 1,766.66
  4. Step 4: Simplify right side
    1,880.84x = 4,984,193.09
  5. Step 5: Solve for x
    x = 4,984,193.09/1,880.84
  6. Step 6: Final answer
    x = 2,649.99

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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.