Home / 3,203.04-4,794.48-3,128.16

Finding the Fourth Proportional to 3,203.04, 4,794.48 and 3,128.16

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Solution

The fourth proportional to 3,203.04, 4,794.48 and 3,128.16 is: 4,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.04 : 4,794.48 = 3,128.16 : x
  2. Step 2: Convert to fraction form
    3,203.04/4,794.48 = 3,128.16/x
  3. Step 3: Cross multiply
    3,203.04x = 4,794.48 × 3,128.16
  4. Step 4: Simplify right side
    3,203.04x = 14,997,900.56
  5. Step 5: Solve for x
    x = 14,997,900.56/3,203.04
  6. Step 6: Final answer
    x = 4,682.40

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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.