Home / 2,977.04-4,110.21-2,080.47

Finding the Fourth Proportional to 2,977.04, 4,110.21 and 2,080.47

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Solution

The fourth proportional to 2,977.04, 4,110.21 and 2,080.47 is: 2,872.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.04 : 4,110.21 = 2,080.47 : x
  2. Step 2: Convert to fraction form
    2,977.04/4,110.21 = 2,080.47/x
  3. Step 3: Cross multiply
    2,977.04x = 4,110.21 × 2,080.47
  4. Step 4: Simplify right side
    2,977.04x = 8,551,168.60
  5. Step 5: Solve for x
    x = 8,551,168.60/2,977.04
  6. Step 6: Final answer
    x = 2,872.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.