Home / 3,260.16-4,878.86-2,668.32

Finding the Fourth Proportional to 3,260.16, 4,878.86 and 2,668.32

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Solution

The fourth proportional to 3,260.16, 4,878.86 and 2,668.32 is: 3,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.16 : 4,878.86 = 2,668.32 : x
  2. Step 2: Convert to fraction form
    3,260.16/4,878.86 = 2,668.32/x
  3. Step 3: Cross multiply
    3,260.16x = 4,878.86 × 2,668.32
  4. Step 4: Simplify right side
    3,260.16x = 13,018,359.72
  5. Step 5: Solve for x
    x = 13,018,359.72/3,260.16
  6. Step 6: Final answer
    x = 3,993.17

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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.