Home / 2,720.56-4,080.84-1,744.24

Finding the Fourth Proportional to 2,720.56, 4,080.84 and 1,744.24

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Solution

The fourth proportional to 2,720.56, 4,080.84 and 1,744.24 is: 2,616.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.56 : 4,080.84 = 1,744.24 : x
  2. Step 2: Convert to fraction form
    2,720.56/4,080.84 = 1,744.24/x
  3. Step 3: Cross multiply
    2,720.56x = 4,080.84 × 1,744.24
  4. Step 4: Simplify right side
    2,720.56x = 7,117,964.36
  5. Step 5: Solve for x
    x = 7,117,964.36/2,720.56
  6. Step 6: Final answer
    x = 2,616.36

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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.