Home / 2,718.92-4,077.60-1,075.16

Finding the Fourth Proportional to 2,718.92, 4,077.60 and 1,075.16

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Solution

The fourth proportional to 2,718.92, 4,077.60 and 1,075.16 is: 1,612.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,718.92 : 4,077.60 = 1,075.16 : x
  2. Step 2: Convert to fraction form
    2,718.92/4,077.60 = 1,075.16/x
  3. Step 3: Cross multiply
    2,718.92x = 4,077.60 × 1,075.16
  4. Step 4: Simplify right side
    2,718.92x = 4,384,072.42
  5. Step 5: Solve for x
    x = 4,384,072.42/2,718.92
  6. Step 6: Final answer
    x = 1,612.43

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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.