Home / 3,457.48-4,767.20-2,825.68

Finding the Fourth Proportional to 3,457.48, 4,767.20 and 2,825.68

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Solution

The fourth proportional to 3,457.48, 4,767.20 and 2,825.68 is: 3,896.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.48 : 4,767.20 = 2,825.68 : x
  2. Step 2: Convert to fraction form
    3,457.48/4,767.20 = 2,825.68/x
  3. Step 3: Cross multiply
    3,457.48x = 4,767.20 × 2,825.68
  4. Step 4: Simplify right side
    3,457.48x = 13,470,581.70
  5. Step 5: Solve for x
    x = 13,470,581.70/3,457.48
  6. Step 6: Final answer
    x = 3,896.07

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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.