Home / 3,087.81-4,632.47-1,007.92

Finding the Fourth Proportional to 3,087.81, 4,632.47 and 1,007.92

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Solution

The fourth proportional to 3,087.81, 4,632.47 and 1,007.92 is: 1,512.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.81 : 4,632.47 = 1,007.92 : x
  2. Step 2: Convert to fraction form
    3,087.81/4,632.47 = 1,007.92/x
  3. Step 3: Cross multiply
    3,087.81x = 4,632.47 × 1,007.92
  4. Step 4: Simplify right side
    3,087.81x = 4,669,159.16
  5. Step 5: Solve for x
    x = 4,669,159.16/3,087.81
  6. Step 6: Final answer
    x = 1,512.13

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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.