Home / 3,565.08-4,918.32-2,777.76

Finding the Fourth Proportional to 3,565.08, 4,918.32 and 2,777.76

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Solution

The fourth proportional to 3,565.08, 4,918.32 and 2,777.76 is: 3,832.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,565.08 : 4,918.32 = 2,777.76 : x
  2. Step 2: Convert to fraction form
    3,565.08/4,918.32 = 2,777.76/x
  3. Step 3: Cross multiply
    3,565.08x = 4,918.32 × 2,777.76
  4. Step 4: Simplify right side
    3,565.08x = 13,661,912.56
  5. Step 5: Solve for x
    x = 13,661,912.56/3,565.08
  6. Step 6: Final answer
    x = 3,832.15

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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.