Home / 2,340.36-3,231.19-1,457.36

Finding the Fourth Proportional to 2,340.36, 3,231.19 and 1,457.36

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Solution

The fourth proportional to 2,340.36, 3,231.19 and 1,457.36 is: 2,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340.36 : 3,231.19 = 1,457.36 : x
  2. Step 2: Convert to fraction form
    2,340.36/3,231.19 = 1,457.36/x
  3. Step 3: Cross multiply
    2,340.36x = 3,231.19 × 1,457.36
  4. Step 4: Simplify right side
    2,340.36x = 4,709,004.84
  5. Step 5: Solve for x
    x = 4,709,004.84/2,340.36
  6. Step 6: Final answer
    x = 2,012.09

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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.