Home / 3,404.04-5,102.88-1,325.40

Finding the Fourth Proportional to 3,404.04, 5,102.88 and 1,325.40

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Solution

The fourth proportional to 3,404.04, 5,102.88 and 1,325.40 is: 1,986.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.04 : 5,102.88 = 1,325.40 : x
  2. Step 2: Convert to fraction form
    3,404.04/5,102.88 = 1,325.40/x
  3. Step 3: Cross multiply
    3,404.04x = 5,102.88 × 1,325.40
  4. Step 4: Simplify right side
    3,404.04x = 6,763,357.15
  5. Step 5: Solve for x
    x = 6,763,357.15/3,404.04
  6. Step 6: Final answer
    x = 1,986.86

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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.