Home / 3,457.38-4,771.22-1,885.49

Finding the Fourth Proportional to 3,457.38, 4,771.22 and 1,885.49

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Solution

The fourth proportional to 3,457.38, 4,771.22 and 1,885.49 is: 2,601.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.38 : 4,771.22 = 1,885.49 : x
  2. Step 2: Convert to fraction form
    3,457.38/4,771.22 = 1,885.49/x
  3. Step 3: Cross multiply
    3,457.38x = 4,771.22 × 1,885.49
  4. Step 4: Simplify right side
    3,457.38x = 8,996,054.31
  5. Step 5: Solve for x
    x = 8,996,054.31/3,457.38
  6. Step 6: Final answer
    x = 2,601.99

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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.