Home / 3,827.34-5,278.32-2,777.58

Finding the Fourth Proportional to 3,827.34, 5,278.32 and 2,777.58

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Solution

The fourth proportional to 3,827.34, 5,278.32 and 2,777.58 is: 3,830.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.34 : 5,278.32 = 2,777.58 : x
  2. Step 2: Convert to fraction form
    3,827.34/5,278.32 = 2,777.58/x
  3. Step 3: Cross multiply
    3,827.34x = 5,278.32 × 2,777.58
  4. Step 4: Simplify right side
    3,827.34x = 14,660,956.07
  5. Step 5: Solve for x
    x = 14,660,956.07/3,827.34
  6. Step 6: Final answer
    x = 3,830.59

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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.