Home / 3,098.18-4,647.72-1,636.94

Finding the Fourth Proportional to 3,098.18, 4,647.72 and 1,636.94

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Solution

The fourth proportional to 3,098.18, 4,647.72 and 1,636.94 is: 2,455.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.18 : 4,647.72 = 1,636.94 : x
  2. Step 2: Convert to fraction form
    3,098.18/4,647.72 = 1,636.94/x
  3. Step 3: Cross multiply
    3,098.18x = 4,647.72 × 1,636.94
  4. Step 4: Simplify right side
    3,098.18x = 7,608,038.78
  5. Step 5: Solve for x
    x = 7,608,038.78/3,098.18
  6. Step 6: Final answer
    x = 2,455.65

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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.