Home / 2,080.51-2,869.74-1,333.28

Finding the Fourth Proportional to 2,080.51, 2,869.74 and 1,333.28

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Solution

The fourth proportional to 2,080.51, 2,869.74 and 1,333.28 is: 1,839.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.51 : 2,869.74 = 1,333.28 : x
  2. Step 2: Convert to fraction form
    2,080.51/2,869.74 = 1,333.28/x
  3. Step 3: Cross multiply
    2,080.51x = 2,869.74 × 1,333.28
  4. Step 4: Simplify right side
    2,080.51x = 3,826,174.12
  5. Step 5: Solve for x
    x = 3,826,174.12/2,080.51
  6. Step 6: Final answer
    x = 1,839.06

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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.