Home / 2,719.16-4,080.15-1,075.80

Finding the Fourth Proportional to 2,719.16, 4,080.15 and 1,075.80

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Solution

The fourth proportional to 2,719.16, 4,080.15 and 1,075.80 is: 1,614.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.16 : 4,080.15 = 1,075.80 : x
  2. Step 2: Convert to fraction form
    2,719.16/4,080.15 = 1,075.80/x
  3. Step 3: Cross multiply
    2,719.16x = 4,080.15 × 1,075.80
  4. Step 4: Simplify right side
    2,719.16x = 4,389,425.37
  5. Step 5: Solve for x
    x = 4,389,425.37/2,719.16
  6. Step 6: Final answer
    x = 1,614.26

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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.