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Finding the Fourth Proportional to 2,777.78, 3,833.01 and 1,598.90

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Solution

The fourth proportional to 2,777.78, 3,833.01 and 1,598.90 is: 2,206.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777.78 : 3,833.01 = 1,598.90 : x
  2. Step 2: Convert to fraction form
    2,777.78/3,833.01 = 1,598.90/x
  3. Step 3: Cross multiply
    2,777.78x = 3,833.01 × 1,598.90
  4. Step 4: Simplify right side
    2,777.78x = 6,128,599.69
  5. Step 5: Solve for x
    x = 6,128,599.69/2,777.78
  6. Step 6: Final answer
    x = 2,206.29

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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.