Home / 3,566.56-4,920.96-2,169.12

Finding the Fourth Proportional to 3,566.56, 4,920.96 and 2,169.12

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Solution

The fourth proportional to 3,566.56, 4,920.96 and 2,169.12 is: 2,992.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.56 : 4,920.96 = 2,169.12 : x
  2. Step 2: Convert to fraction form
    3,566.56/4,920.96 = 2,169.12/x
  3. Step 3: Cross multiply
    3,566.56x = 4,920.96 × 2,169.12
  4. Step 4: Simplify right side
    3,566.56x = 10,674,152.76
  5. Step 5: Solve for x
    x = 10,674,152.76/3,566.56
  6. Step 6: Final answer
    x = 2,992.84

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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.