Home / 2,505.31-3,457.33-1,370.99

Finding the Fourth Proportional to 2,505.31, 3,457.33 and 1,370.99

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Solution

The fourth proportional to 2,505.31, 3,457.33 and 1,370.99 is: 1,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.31 : 3,457.33 = 1,370.99 : x
  2. Step 2: Convert to fraction form
    2,505.31/3,457.33 = 1,370.99/x
  3. Step 3: Cross multiply
    2,505.31x = 3,457.33 × 1,370.99
  4. Step 4: Simplify right side
    2,505.31x = 4,739,970.07
  5. Step 5: Solve for x
    x = 4,739,970.07/2,505.31
  6. Step 6: Final answer
    x = 1,891.97

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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.