Home / 3,080.51-4,624.86-2,621.24

Finding the Fourth Proportional to 3,080.51, 4,624.86 and 2,621.24

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Solution

The fourth proportional to 3,080.51, 4,624.86 and 2,621.24 is: 3,935.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.51 : 4,624.86 = 2,621.24 : x
  2. Step 2: Convert to fraction form
    3,080.51/4,624.86 = 2,621.24/x
  3. Step 3: Cross multiply
    3,080.51x = 4,624.86 × 2,621.24
  4. Step 4: Simplify right side
    3,080.51x = 12,122,844.90
  5. Step 5: Solve for x
    x = 12,122,844.90/3,080.51
  6. Step 6: Final answer
    x = 3,935.34

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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.