Home / 3,260.10-4,890.15-2,712.90

Finding the Fourth Proportional to 3,260.10, 4,890.15 and 2,712.90

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Solution

The fourth proportional to 3,260.10, 4,890.15 and 2,712.90 is: 4,069.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.10 : 4,890.15 = 2,712.90 : x
  2. Step 2: Convert to fraction form
    3,260.10/4,890.15 = 2,712.90/x
  3. Step 3: Cross multiply
    3,260.10x = 4,890.15 × 2,712.90
  4. Step 4: Simplify right side
    3,260.10x = 13,266,487.94
  5. Step 5: Solve for x
    x = 13,266,487.94/3,260.10
  6. Step 6: Final answer
    x = 4,069.35

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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.