Home / 3,014.20-4,511.70-2,918.20

Finding the Fourth Proportional to 3,014.20, 4,511.70 and 2,918.20

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Solution

The fourth proportional to 3,014.20, 4,511.70 and 2,918.20 is: 4,368.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.20 : 4,511.70 = 2,918.20 : x
  2. Step 2: Convert to fraction form
    3,014.20/4,511.70 = 2,918.20/x
  3. Step 3: Cross multiply
    3,014.20x = 4,511.70 × 2,918.20
  4. Step 4: Simplify right side
    3,014.20x = 13,166,042.94
  5. Step 5: Solve for x
    x = 13,166,042.94/3,014.20
  6. Step 6: Final answer
    x = 4,368.01

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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.