Home / 3,528.20-5,284.20-2,070.20

Finding the Fourth Proportional to 3,528.20, 5,284.20 and 2,070.20

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Solution

The fourth proportional to 3,528.20, 5,284.20 and 2,070.20 is: 3,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.20 : 5,284.20 = 2,070.20 : x
  2. Step 2: Convert to fraction form
    3,528.20/5,284.20 = 2,070.20/x
  3. Step 3: Cross multiply
    3,528.20x = 5,284.20 × 2,070.20
  4. Step 4: Simplify right side
    3,528.20x = 10,939,350.84
  5. Step 5: Solve for x
    x = 10,939,350.84/3,528.20
  6. Step 6: Final answer
    x = 3,100.55

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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.