Home / 2,036.36-2,812.47-1,375.94

Finding the Fourth Proportional to 2,036.36, 2,812.47 and 1,375.94

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Solution

The fourth proportional to 2,036.36, 2,812.47 and 1,375.94 is: 1,900.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.36 : 2,812.47 = 1,375.94 : x
  2. Step 2: Convert to fraction form
    2,036.36/2,812.47 = 1,375.94/x
  3. Step 3: Cross multiply
    2,036.36x = 2,812.47 × 1,375.94
  4. Step 4: Simplify right side
    2,036.36x = 3,869,789.97
  5. Step 5: Solve for x
    x = 3,869,789.97/2,036.36
  6. Step 6: Final answer
    x = 1,900.35

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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.