Home / 2,924.62-4,386.96-1,691.28

Finding the Fourth Proportional to 2,924.62, 4,386.96 and 1,691.28

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Solution

The fourth proportional to 2,924.62, 4,386.96 and 1,691.28 is: 2,536.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,924.62 : 4,386.96 = 1,691.28 : x
  2. Step 2: Convert to fraction form
    2,924.62/4,386.96 = 1,691.28/x
  3. Step 3: Cross multiply
    2,924.62x = 4,386.96 × 1,691.28
  4. Step 4: Simplify right side
    2,924.62x = 7,419,547.32
  5. Step 5: Solve for x
    x = 7,419,547.32/2,924.62
  6. Step 6: Final answer
    x = 2,536.93

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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.