Home / 3,775.83-5,210.06-2,097.21

Finding the Fourth Proportional to 3,775.83, 5,210.06 and 2,097.21

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Solution

The fourth proportional to 3,775.83, 5,210.06 and 2,097.21 is: 2,893.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.83 : 5,210.06 = 2,097.21 : x
  2. Step 2: Convert to fraction form
    3,775.83/5,210.06 = 2,097.21/x
  3. Step 3: Cross multiply
    3,775.83x = 5,210.06 × 2,097.21
  4. Step 4: Simplify right side
    3,775.83x = 10,926,579.45
  5. Step 5: Solve for x
    x = 10,926,579.45/3,775.83
  6. Step 6: Final answer
    x = 2,893.82

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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.