Home / 3,528.70-5,295.45-2,066.30

Finding the Fourth Proportional to 3,528.70, 5,295.45 and 2,066.30

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Solution

The fourth proportional to 3,528.70, 5,295.45 and 2,066.30 is: 3,100.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.70 : 5,295.45 = 2,066.30 : x
  2. Step 2: Convert to fraction form
    3,528.70/5,295.45 = 2,066.30/x
  3. Step 3: Cross multiply
    3,528.70x = 5,295.45 × 2,066.30
  4. Step 4: Simplify right side
    3,528.70x = 10,941,988.34
  5. Step 5: Solve for x
    x = 10,941,988.34/3,528.70
  6. Step 6: Final answer
    x = 3,100.86

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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.