Home / 3,816.76-5,260.26-2,417.08

Finding the Fourth Proportional to 3,816.76, 5,260.26 and 2,417.08

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Solution

The fourth proportional to 3,816.76, 5,260.26 and 2,417.08 is: 3,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.76 : 5,260.26 = 2,417.08 : x
  2. Step 2: Convert to fraction form
    3,816.76/5,260.26 = 2,417.08/x
  3. Step 3: Cross multiply
    3,816.76x = 5,260.26 × 2,417.08
  4. Step 4: Simplify right side
    3,816.76x = 12,714,469.24
  5. Step 5: Solve for x
    x = 12,714,469.24/3,816.76
  6. Step 6: Final answer
    x = 3,331.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.