Home / 3,088.33-4,631.47-1,007.78

Finding the Fourth Proportional to 3,088.33, 4,631.47 and 1,007.78

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Solution

The fourth proportional to 3,088.33, 4,631.47 and 1,007.78 is: 1,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.33 : 4,631.47 = 1,007.78 : x
  2. Step 2: Convert to fraction form
    3,088.33/4,631.47 = 1,007.78/x
  3. Step 3: Cross multiply
    3,088.33x = 4,631.47 × 1,007.78
  4. Step 4: Simplify right side
    3,088.33x = 4,667,477.16
  5. Step 5: Solve for x
    x = 4,667,477.16/3,088.33
  6. Step 6: Final answer
    x = 1,511.33

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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.