Home / 3,718.09-5,130.30-2,226.07

Finding the Fourth Proportional to 3,718.09, 5,130.30 and 2,226.07

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Solution

The fourth proportional to 3,718.09, 5,130.30 and 2,226.07 is: 3,071.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.09 : 5,130.30 = 2,226.07 : x
  2. Step 2: Convert to fraction form
    3,718.09/5,130.30 = 2,226.07/x
  3. Step 3: Cross multiply
    3,718.09x = 5,130.30 × 2,226.07
  4. Step 4: Simplify right side
    3,718.09x = 11,420,406.92
  5. Step 5: Solve for x
    x = 11,420,406.92/3,718.09
  6. Step 6: Final answer
    x = 3,071.58

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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.