Home / 3,018.65-4,515.83-2,612.30

Finding the Fourth Proportional to 3,018.65, 4,515.83 and 2,612.30

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Solution

The fourth proportional to 3,018.65, 4,515.83 and 2,612.30 is: 3,907.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.65 : 4,515.83 = 2,612.30 : x
  2. Step 2: Convert to fraction form
    3,018.65/4,515.83 = 2,612.30/x
  3. Step 3: Cross multiply
    3,018.65x = 4,515.83 × 2,612.30
  4. Step 4: Simplify right side
    3,018.65x = 11,796,689.65
  5. Step 5: Solve for x
    x = 11,796,689.65/3,018.65
  6. Step 6: Final answer
    x = 3,907.94

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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.