Home / 3,302.12-4,952.40-1,221.04

Finding the Fourth Proportional to 3,302.12, 4,952.40 and 1,221.04

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Solution

The fourth proportional to 3,302.12, 4,952.40 and 1,221.04 is: 1,831.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.12 : 4,952.40 = 1,221.04 : x
  2. Step 2: Convert to fraction form
    3,302.12/4,952.40 = 1,221.04/x
  3. Step 3: Cross multiply
    3,302.12x = 4,952.40 × 1,221.04
  4. Step 4: Simplify right side
    3,302.12x = 6,047,078.50
  5. Step 5: Solve for x
    x = 6,047,078.50/3,302.12
  6. Step 6: Final answer
    x = 1,831.27

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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.