Home / 2,457.11-3,390.56-1,394.54

Finding the Fourth Proportional to 2,457.11, 3,390.56 and 1,394.54

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Solution

The fourth proportional to 2,457.11, 3,390.56 and 1,394.54 is: 1,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,457.11 : 3,390.56 = 1,394.54 : x
  2. Step 2: Convert to fraction form
    2,457.11/3,390.56 = 1,394.54/x
  3. Step 3: Cross multiply
    2,457.11x = 3,390.56 × 1,394.54
  4. Step 4: Simplify right side
    2,457.11x = 4,728,271.54
  5. Step 5: Solve for x
    x = 4,728,271.54/2,457.11
  6. Step 6: Final answer
    x = 1,924.32

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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.