Home / 3,345.36-5,018.32-1,124.08

Finding the Fourth Proportional to 3,345.36, 5,018.32 and 1,124.08

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Solution

The fourth proportional to 3,345.36, 5,018.32 and 1,124.08 is: 1,686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.36 : 5,018.32 = 1,124.08 : x
  2. Step 2: Convert to fraction form
    3,345.36/5,018.32 = 1,124.08/x
  3. Step 3: Cross multiply
    3,345.36x = 5,018.32 × 1,124.08
  4. Step 4: Simplify right side
    3,345.36x = 5,640,993.15
  5. Step 5: Solve for x
    x = 5,640,993.15/3,345.36
  6. Step 6: Final answer
    x = 1,686.21

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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.