Home / 3,628.80-5,430.24-2,903.04

Finding the Fourth Proportional to 3,628.80, 5,430.24 and 2,903.04

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Solution

The fourth proportional to 3,628.80, 5,430.24 and 2,903.04 is: 4,344.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.80 : 5,430.24 = 2,903.04 : x
  2. Step 2: Convert to fraction form
    3,628.80/5,430.24 = 2,903.04/x
  3. Step 3: Cross multiply
    3,628.80x = 5,430.24 × 2,903.04
  4. Step 4: Simplify right side
    3,628.80x = 15,764,203.93
  5. Step 5: Solve for x
    x = 15,764,203.93/3,628.80
  6. Step 6: Final answer
    x = 4,344.19

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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.