Home / 3,564.63-4,919.06-1,971.18

Finding the Fourth Proportional to 3,564.63, 4,919.06 and 1,971.18

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Solution

The fourth proportional to 3,564.63, 4,919.06 and 1,971.18 is: 2,720.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.63 : 4,919.06 = 1,971.18 : x
  2. Step 2: Convert to fraction form
    3,564.63/4,919.06 = 1,971.18/x
  3. Step 3: Cross multiply
    3,564.63x = 4,919.06 × 1,971.18
  4. Step 4: Simplify right side
    3,564.63x = 9,696,318.24
  5. Step 5: Solve for x
    x = 9,696,318.24/3,564.63
  6. Step 6: Final answer
    x = 2,720.15

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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.