Home / 3,260.10-4,886.10-2,911.80

Finding the Fourth Proportional to 3,260.10, 4,886.10 and 2,911.80

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Solution

The fourth proportional to 3,260.10, 4,886.10 and 2,911.80 is: 4,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.10 : 4,886.10 = 2,911.80 : x
  2. Step 2: Convert to fraction form
    3,260.10/4,886.10 = 2,911.80/x
  3. Step 3: Cross multiply
    3,260.10x = 4,886.10 × 2,911.80
  4. Step 4: Simplify right side
    3,260.10x = 14,227,345.98
  5. Step 5: Solve for x
    x = 14,227,345.98/3,260.10
  6. Step 6: Final answer
    x = 4,364.08

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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.