Home / 2,780.43-4,166.97-1,461.49

Finding the Fourth Proportional to 2,780.43, 4,166.97 and 1,461.49

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Solution

The fourth proportional to 2,780.43, 4,166.97 and 1,461.49 is: 2,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780.43 : 4,166.97 = 1,461.49 : x
  2. Step 2: Convert to fraction form
    2,780.43/4,166.97 = 1,461.49/x
  3. Step 3: Cross multiply
    2,780.43x = 4,166.97 × 1,461.49
  4. Step 4: Simplify right side
    2,780.43x = 6,089,984.99
  5. Step 5: Solve for x
    x = 6,089,984.99/2,780.43
  6. Step 6: Final answer
    x = 2,190.30

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1.5x scale

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.