Home / 2,459.98-3,394.79-1,340.92

Finding the Fourth Proportional to 2,459.98, 3,394.79 and 1,340.92

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Solution

The fourth proportional to 2,459.98, 3,394.79 and 1,340.92 is: 1,850.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.98 : 3,394.79 = 1,340.92 : x
  2. Step 2: Convert to fraction form
    2,459.98/3,394.79 = 1,340.92/x
  3. Step 3: Cross multiply
    2,459.98x = 3,394.79 × 1,340.92
  4. Step 4: Simplify right side
    2,459.98x = 4,552,135.10
  5. Step 5: Solve for x
    x = 4,552,135.10/2,459.98
  6. Step 6: Final answer
    x = 1,850.48

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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.