Home / 2,881.19-4,322.81-1,007.35

Finding the Fourth Proportional to 2,881.19, 4,322.81 and 1,007.35

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Solution

The fourth proportional to 2,881.19, 4,322.81 and 1,007.35 is: 1,511.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,881.19 : 4,322.81 = 1,007.35 : x
  2. Step 2: Convert to fraction form
    2,881.19/4,322.81 = 1,007.35/x
  3. Step 3: Cross multiply
    2,881.19x = 4,322.81 × 1,007.35
  4. Step 4: Simplify right side
    2,881.19x = 4,354,582.65
  5. Step 5: Solve for x
    x = 4,354,582.65/2,881.19
  6. Step 6: Final answer
    x = 1,511.39

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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.