Home / 2,080.70-2,874.49-1,364.58

Finding the Fourth Proportional to 2,080.70, 2,874.49 and 1,364.58

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Solution

The fourth proportional to 2,080.70, 2,874.49 and 1,364.58 is: 1,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080.70 : 2,874.49 = 1,364.58 : x
  2. Step 2: Convert to fraction form
    2,080.70/2,874.49 = 1,364.58/x
  3. Step 3: Cross multiply
    2,080.70x = 2,874.49 × 1,364.58
  4. Step 4: Simplify right side
    2,080.70x = 3,922,471.56
  5. Step 5: Solve for x
    x = 3,922,471.56/2,080.70
  6. Step 6: Final answer
    x = 1,885.17

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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.