Home / 3,478.26-5,210.43-2,090.85

Finding the Fourth Proportional to 3,478.26, 5,210.43 and 2,090.85

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Solution

The fourth proportional to 3,478.26, 5,210.43 and 2,090.85 is: 3,132.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.26 : 5,210.43 = 2,090.85 : x
  2. Step 2: Convert to fraction form
    3,478.26/5,210.43 = 2,090.85/x
  3. Step 3: Cross multiply
    3,478.26x = 5,210.43 × 2,090.85
  4. Step 4: Simplify right side
    3,478.26x = 10,894,201.51
  5. Step 5: Solve for x
    x = 10,894,201.51/3,478.26
  6. Step 6: Final answer
    x = 3,132.08

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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.