Home / 3,749.64-5,616.78-1,898.16

Finding the Fourth Proportional to 3,749.64, 5,616.78 and 1,898.16

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Solution

The fourth proportional to 3,749.64, 5,616.78 and 1,898.16 is: 2,843.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.64 : 5,616.78 = 1,898.16 : x
  2. Step 2: Convert to fraction form
    3,749.64/5,616.78 = 1,898.16/x
  3. Step 3: Cross multiply
    3,749.64x = 5,616.78 × 1,898.16
  4. Step 4: Simplify right side
    3,749.64x = 10,661,547.12
  5. Step 5: Solve for x
    x = 10,661,547.12/3,749.64
  6. Step 6: Final answer
    x = 2,843.35

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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.