Home / 2,946.39-4,419.59-1,385.42

Finding the Fourth Proportional to 2,946.39, 4,419.59 and 1,385.42

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Solution

The fourth proportional to 2,946.39, 4,419.59 and 1,385.42 is: 2,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.39 : 4,419.59 = 1,385.42 : x
  2. Step 2: Convert to fraction form
    2,946.39/4,419.59 = 1,385.42/x
  3. Step 3: Cross multiply
    2,946.39x = 4,419.59 × 1,385.42
  4. Step 4: Simplify right side
    2,946.39x = 6,122,992.50
  5. Step 5: Solve for x
    x = 6,122,992.50/2,946.39
  6. Step 6: Final answer
    x = 2,078.13

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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.