Home / 3,564.08-4,918.68-2,166.56

Finding the Fourth Proportional to 3,564.08, 4,918.68 and 2,166.56

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Solution

The fourth proportional to 3,564.08, 4,918.68 and 2,166.56 is: 2,990.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,564.08 : 4,918.68 = 2,166.56 : x
  2. Step 2: Convert to fraction form
    3,564.08/4,918.68 = 2,166.56/x
  3. Step 3: Cross multiply
    3,564.08x = 4,918.68 × 2,166.56
  4. Step 4: Simplify right side
    3,564.08x = 10,656,615.34
  5. Step 5: Solve for x
    x = 10,656,615.34/3,564.08
  6. Step 6: Final answer
    x = 2,990.00

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1.5x scale

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.