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Finding the Fourth Proportional to 2,777.59, 3,833.90 and 1,599.49

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Solution

The fourth proportional to 2,777.59, 3,833.90 and 1,599.49 is: 2,207.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.59 : 3,833.90 = 1,599.49 : x
  2. Step 2: Convert to fraction form
    2,777.59/3,833.90 = 1,599.49/x
  3. Step 3: Cross multiply
    2,777.59x = 3,833.90 × 1,599.49
  4. Step 4: Simplify right side
    2,777.59x = 6,132,284.71
  5. Step 5: Solve for x
    x = 6,132,284.71/2,777.59
  6. Step 6: Final answer
    x = 2,207.77

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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.