Home / 3,485.28-5,228.10-1,020.06

Finding the Fourth Proportional to 3,485.28, 5,228.10 and 1,020.06

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Solution

The fourth proportional to 3,485.28, 5,228.10 and 1,020.06 is: 1,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.28 : 5,228.10 = 1,020.06 : x
  2. Step 2: Convert to fraction form
    3,485.28/5,228.10 = 1,020.06/x
  3. Step 3: Cross multiply
    3,485.28x = 5,228.10 × 1,020.06
  4. Step 4: Simplify right side
    3,485.28x = 5,332,975.69
  5. Step 5: Solve for x
    x = 5,332,975.69/3,485.28
  6. Step 6: Final answer
    x = 1,530.14

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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.