Home / 3,457.36-4,769.07-2,112.36

Finding the Fourth Proportional to 3,457.36, 4,769.07 and 2,112.36

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Solution

The fourth proportional to 3,457.36, 4,769.07 and 2,112.36 is: 2,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.36 : 4,769.07 = 2,112.36 : x
  2. Step 2: Convert to fraction form
    3,457.36/4,769.07 = 2,112.36/x
  3. Step 3: Cross multiply
    3,457.36x = 4,769.07 × 2,112.36
  4. Step 4: Simplify right side
    3,457.36x = 10,073,992.71
  5. Step 5: Solve for x
    x = 10,073,992.71/3,457.36
  6. Step 6: Final answer
    x = 2,913.78

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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.