Home / 2,424.21-3,639.39-2,018.31

Finding the Fourth Proportional to 2,424.21, 3,639.39 and 2,018.31

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Solution

The fourth proportional to 2,424.21, 3,639.39 and 2,018.31 is: 3,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,424.21 : 3,639.39 = 2,018.31 : x
  2. Step 2: Convert to fraction form
    2,424.21/3,639.39 = 2,018.31/x
  3. Step 3: Cross multiply
    2,424.21x = 3,639.39 × 2,018.31
  4. Step 4: Simplify right side
    2,424.21x = 7,345,417.23
  5. Step 5: Solve for x
    x = 7,345,417.23/2,424.21
  6. Step 6: Final answer
    x = 3,030.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.