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Finding the Fourth Proportional to 3,566.78, 4,923.84 and 2,682.92

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Solution

The fourth proportional to 3,566.78, 4,923.84 and 2,682.92 is: 3,703.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,566.78 : 4,923.84 = 2,682.92 : x
  2. Step 2: Convert to fraction form
    3,566.78/4,923.84 = 2,682.92/x
  3. Step 3: Cross multiply
    3,566.78x = 4,923.84 × 2,682.92
  4. Step 4: Simplify right side
    3,566.78x = 13,210,268.81
  5. Step 5: Solve for x
    x = 13,210,268.81/3,566.78
  6. Step 6: Final answer
    x = 3,703.70

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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.