Home / 2,405.70-3,319.38-1,462

Finding the Fourth Proportional to 2,405.70, 3,319.38 and 1,462

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Solution

The fourth proportional to 2,405.70, 3,319.38 and 1,462 is: 2,017.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.70 : 3,319.38 = 1,462 : x
  2. Step 2: Convert to fraction form
    2,405.70/3,319.38 = 1,462/x
  3. Step 3: Cross multiply
    2,405.70x = 3,319.38 × 1,462
  4. Step 4: Simplify right side
    2,405.70x = 4,852,933.56
  5. Step 5: Solve for x
    x = 4,852,933.56/2,405.70
  6. Step 6: Final answer
    x = 2,017.26

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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.