Home / 3,564.81-4,918.91-2,031.75

Finding the Fourth Proportional to 3,564.81, 4,918.91 and 2,031.75

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Solution

The fourth proportional to 3,564.81, 4,918.91 and 2,031.75 is: 2,803.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.81 : 4,918.91 = 2,031.75 : x
  2. Step 2: Convert to fraction form
    3,564.81/4,918.91 = 2,031.75/x
  3. Step 3: Cross multiply
    3,564.81x = 4,918.91 × 2,031.75
  4. Step 4: Simplify right side
    3,564.81x = 9,993,985.23
  5. Step 5: Solve for x
    x = 9,993,985.23/3,564.81
  6. Step 6: Final answer
    x = 2,803.51

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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.