Home / 3,457.03-4,770.82-1,964.90

Finding the Fourth Proportional to 3,457.03, 4,770.82 and 1,964.90

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Solution

The fourth proportional to 3,457.03, 4,770.82 and 1,964.90 is: 2,711.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.03 : 4,770.82 = 1,964.90 : x
  2. Step 2: Convert to fraction form
    3,457.03/4,770.82 = 1,964.90/x
  3. Step 3: Cross multiply
    3,457.03x = 4,770.82 × 1,964.90
  4. Step 4: Simplify right side
    3,457.03x = 9,374,160.36
  5. Step 5: Solve for x
    x = 9,374,160.36/3,457.03
  6. Step 6: Final answer
    x = 2,711.63

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1.5x scale

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.