Home / 2,873.78-4,308.51-1,412.18

Finding the Fourth Proportional to 2,873.78, 4,308.51 and 1,412.18

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Solution

The fourth proportional to 2,873.78, 4,308.51 and 1,412.18 is: 2,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,873.78 : 4,308.51 = 1,412.18 : x
  2. Step 2: Convert to fraction form
    2,873.78/4,308.51 = 1,412.18/x
  3. Step 3: Cross multiply
    2,873.78x = 4,308.51 × 1,412.18
  4. Step 4: Simplify right side
    2,873.78x = 6,084,391.65
  5. Step 5: Solve for x
    x = 6,084,391.65/2,873.78
  6. Step 6: Final answer
    x = 2,117.21

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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.