Home / 2,505.33-3,457.38-1,443.19

Finding the Fourth Proportional to 2,505.33, 3,457.38 and 1,443.19

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Solution

The fourth proportional to 2,505.33, 3,457.38 and 1,443.19 is: 1,991.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.33 : 3,457.38 = 1,443.19 : x
  2. Step 2: Convert to fraction form
    2,505.33/3,457.38 = 1,443.19/x
  3. Step 3: Cross multiply
    2,505.33x = 3,457.38 × 1,443.19
  4. Step 4: Simplify right side
    2,505.33x = 4,989,656.24
  5. Step 5: Solve for x
    x = 4,989,656.24/2,505.33
  6. Step 6: Final answer
    x = 1,991.62

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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.