Home / 3,457.06-4,770.74-1,964.98

Finding the Fourth Proportional to 3,457.06, 4,770.74 and 1,964.98

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Solution

The fourth proportional to 3,457.06, 4,770.74 and 1,964.98 is: 2,711.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.06 : 4,770.74 = 1,964.98 : x
  2. Step 2: Convert to fraction form
    3,457.06/4,770.74 = 1,964.98/x
  3. Step 3: Cross multiply
    3,457.06x = 4,770.74 × 1,964.98
  4. Step 4: Simplify right side
    3,457.06x = 9,374,419.56
  5. Step 5: Solve for x
    x = 9,374,419.56/3,457.06
  6. Step 6: Final answer
    x = 2,711.67

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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.