Home / 2,256.83-3,386.58-1,379.97

Finding the Fourth Proportional to 2,256.83, 3,386.58 and 1,379.97

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Solution

The fourth proportional to 2,256.83, 3,386.58 and 1,379.97 is: 2,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.83 : 3,386.58 = 1,379.97 : x
  2. Step 2: Convert to fraction form
    2,256.83/3,386.58 = 1,379.97/x
  3. Step 3: Cross multiply
    2,256.83x = 3,386.58 × 1,379.97
  4. Step 4: Simplify right side
    2,256.83x = 4,673,373.63
  5. Step 5: Solve for x
    x = 4,673,373.63/2,256.83
  6. Step 6: Final answer
    x = 2,070.77

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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.