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Finding the Fourth Proportional to 3,898.96, 5,844.58 and 1,557.56

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Solution

The fourth proportional to 3,898.96, 5,844.58 and 1,557.56 is: 2,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898.96 : 5,844.58 = 1,557.56 : x
  2. Step 2: Convert to fraction form
    3,898.96/5,844.58 = 1,557.56/x
  3. Step 3: Cross multiply
    3,898.96x = 5,844.58 × 1,557.56
  4. Step 4: Simplify right side
    3,898.96x = 9,103,294.74
  5. Step 5: Solve for x
    x = 9,103,294.74/3,898.96
  6. Step 6: Final answer
    x = 2,334.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.