Home / 2,459.76-3,394.92-1,412.46

Finding the Fourth Proportional to 2,459.76, 3,394.92 and 1,412.46

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Solution

The fourth proportional to 2,459.76, 3,394.92 and 1,412.46 is: 1,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.76 : 3,394.92 = 1,412.46 : x
  2. Step 2: Convert to fraction form
    2,459.76/3,394.92 = 1,412.46/x
  3. Step 3: Cross multiply
    2,459.76x = 3,394.92 × 1,412.46
  4. Step 4: Simplify right side
    2,459.76x = 4,795,188.70
  5. Step 5: Solve for x
    x = 4,795,188.70/2,459.76
  6. Step 6: Final answer
    x = 1,949.45

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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.