Home / 2,457.36-3,391.14-1,338.30

Finding the Fourth Proportional to 2,457.36, 3,391.14 and 1,338.30

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Solution

The fourth proportional to 2,457.36, 3,391.14 and 1,338.30 is: 1,846.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.36 : 3,391.14 = 1,338.30 : x
  2. Step 2: Convert to fraction form
    2,457.36/3,391.14 = 1,338.30/x
  3. Step 3: Cross multiply
    2,457.36x = 3,391.14 × 1,338.30
  4. Step 4: Simplify right side
    2,457.36x = 4,538,362.66
  5. Step 5: Solve for x
    x = 4,538,362.66/2,457.36
  6. Step 6: Final answer
    x = 1,846.84

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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.