Home / 3,009.04-4,152.68-1,767.28

Finding the Fourth Proportional to 3,009.04, 4,152.68 and 1,767.28

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Solution

The fourth proportional to 3,009.04, 4,152.68 and 1,767.28 is: 2,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009.04 : 4,152.68 = 1,767.28 : x
  2. Step 2: Convert to fraction form
    3,009.04/4,152.68 = 1,767.28/x
  3. Step 3: Cross multiply
    3,009.04x = 4,152.68 × 1,767.28
  4. Step 4: Simplify right side
    3,009.04x = 7,338,948.31
  5. Step 5: Solve for x
    x = 7,338,948.31/3,009.04
  6. Step 6: Final answer
    x = 2,438.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.