Home / 3,995.04-5,511.60-2,946.72

Finding the Fourth Proportional to 3,995.04, 5,511.60 and 2,946.72

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Solution

The fourth proportional to 3,995.04, 5,511.60 and 2,946.72 is: 4,065.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.04 : 5,511.60 = 2,946.72 : x
  2. Step 2: Convert to fraction form
    3,995.04/5,511.60 = 2,946.72/x
  3. Step 3: Cross multiply
    3,995.04x = 5,511.60 × 2,946.72
  4. Step 4: Simplify right side
    3,995.04x = 16,241,141.95
  5. Step 5: Solve for x
    x = 16,241,141.95/3,995.04
  6. Step 6: Final answer
    x = 4,065.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.