Home / 2,505.99-3,457.74-1,908.36

Finding the Fourth Proportional to 2,505.99, 3,457.74 and 1,908.36

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Solution

The fourth proportional to 2,505.99, 3,457.74 and 1,908.36 is: 2,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,505.99 : 3,457.74 = 1,908.36 : x
  2. Step 2: Convert to fraction form
    2,505.99/3,457.74 = 1,908.36/x
  3. Step 3: Cross multiply
    2,505.99x = 3,457.74 × 1,908.36
  4. Step 4: Simplify right side
    2,505.99x = 6,598,609.13
  5. Step 5: Solve for x
    x = 6,598,609.13/2,505.99
  6. Step 6: Final answer
    x = 2,633.14

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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.