Home / 2,036.43-3,047.63-1,256.13

Finding the Fourth Proportional to 2,036.43, 3,047.63 and 1,256.13

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Solution

The fourth proportional to 2,036.43, 3,047.63 and 1,256.13 is: 1,879.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.43 : 3,047.63 = 1,256.13 : x
  2. Step 2: Convert to fraction form
    2,036.43/3,047.63 = 1,256.13/x
  3. Step 3: Cross multiply
    2,036.43x = 3,047.63 × 1,256.13
  4. Step 4: Simplify right side
    2,036.43x = 3,828,213.19
  5. Step 5: Solve for x
    x = 3,828,213.19/2,036.43
  6. Step 6: Final answer
    x = 1,879.86

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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.