Home / 4,209.60-6,311.52-1,899.84

Finding the Fourth Proportional to 4,209.60, 6,311.52 and 1,899.84

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Solution

The fourth proportional to 4,209.60, 6,311.52 and 1,899.84 is: 2,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.60 : 6,311.52 = 1,899.84 : x
  2. Step 2: Convert to fraction form
    4,209.60/6,311.52 = 1,899.84/x
  3. Step 3: Cross multiply
    4,209.60x = 6,311.52 × 1,899.84
  4. Step 4: Simplify right side
    4,209.60x = 11,990,878.16
  5. Step 5: Solve for x
    x = 11,990,878.16/4,209.60
  6. Step 6: Final answer
    x = 2,848.46

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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.