Home / 2,424.10-3,345.18-1,361.90

Finding the Fourth Proportional to 2,424.10, 3,345.18 and 1,361.90

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Solution

The fourth proportional to 2,424.10, 3,345.18 and 1,361.90 is: 1,879.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.10 : 3,345.18 = 1,361.90 : x
  2. Step 2: Convert to fraction form
    2,424.10/3,345.18 = 1,361.90/x
  3. Step 3: Cross multiply
    2,424.10x = 3,345.18 × 1,361.90
  4. Step 4: Simplify right side
    2,424.10x = 4,555,800.64
  5. Step 5: Solve for x
    x = 4,555,800.64/2,424.10
  6. Step 6: Final answer
    x = 1,879.38

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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.