Home / 3,006.45-4,147.32-1,885.27

Finding the Fourth Proportional to 3,006.45, 4,147.32 and 1,885.27

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Solution

The fourth proportional to 3,006.45, 4,147.32 and 1,885.27 is: 2,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.45 : 4,147.32 = 1,885.27 : x
  2. Step 2: Convert to fraction form
    3,006.45/4,147.32 = 1,885.27/x
  3. Step 3: Cross multiply
    3,006.45x = 4,147.32 × 1,885.27
  4. Step 4: Simplify right side
    3,006.45x = 7,818,817.98
  5. Step 5: Solve for x
    x = 7,818,817.98/3,006.45
  6. Step 6: Final answer
    x = 2,600.68

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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.