Home / 3,087.86-4,631.18-1,007.51

Finding the Fourth Proportional to 3,087.86, 4,631.18 and 1,007.51

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Solution

The fourth proportional to 3,087.86, 4,631.18 and 1,007.51 is: 1,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.86 : 4,631.18 = 1,007.51 : x
  2. Step 2: Convert to fraction form
    3,087.86/4,631.18 = 1,007.51/x
  3. Step 3: Cross multiply
    3,087.86x = 4,631.18 × 1,007.51
  4. Step 4: Simplify right side
    3,087.86x = 4,665,931.97
  5. Step 5: Solve for x
    x = 4,665,931.97/3,087.86
  6. Step 6: Final answer
    x = 1,511.06

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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.