Home / 3,485.32-5,228.12-1,020.14

Finding the Fourth Proportional to 3,485.32, 5,228.12 and 1,020.14

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Solution

The fourth proportional to 3,485.32, 5,228.12 and 1,020.14 is: 1,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.32 : 5,228.12 = 1,020.14 : x
  2. Step 2: Convert to fraction form
    3,485.32/5,228.12 = 1,020.14/x
  3. Step 3: Cross multiply
    3,485.32x = 5,228.12 × 1,020.14
  4. Step 4: Simplify right side
    3,485.32x = 5,333,410.35
  5. Step 5: Solve for x
    x = 5,333,410.35/3,485.32
  6. Step 6: Final answer
    x = 1,530.25

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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.