Home / 3,291.17-4,937.90-1,647.34

Finding the Fourth Proportional to 3,291.17, 4,937.90 and 1,647.34

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Solution

The fourth proportional to 3,291.17, 4,937.90 and 1,647.34 is: 2,471.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.17 : 4,937.90 = 1,647.34 : x
  2. Step 2: Convert to fraction form
    3,291.17/4,937.90 = 1,647.34/x
  3. Step 3: Cross multiply
    3,291.17x = 4,937.90 × 1,647.34
  4. Step 4: Simplify right side
    3,291.17x = 8,134,379.60
  5. Step 5: Solve for x
    x = 8,134,379.60/3,291.17
  6. Step 6: Final answer
    x = 2,471.58

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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.