Home / 2,080.01-3,120.01-1,315.37

Finding the Fourth Proportional to 2,080.01, 3,120.01 and 1,315.37

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Solution

The fourth proportional to 2,080.01, 3,120.01 and 1,315.37 is: 1,973.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.01 : 3,120.01 = 1,315.37 : x
  2. Step 2: Convert to fraction form
    2,080.01/3,120.01 = 1,315.37/x
  3. Step 3: Cross multiply
    2,080.01x = 3,120.01 × 1,315.37
  4. Step 4: Simplify right side
    2,080.01x = 4,103,948.67
  5. Step 5: Solve for x
    x = 4,103,948.67/2,080.01
  6. Step 6: Final answer
    x = 1,973.05

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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.