Home / 2,017.41-2,784.48-1,231.91

Finding the Fourth Proportional to 2,017.41, 2,784.48 and 1,231.91

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Solution

The fourth proportional to 2,017.41, 2,784.48 and 1,231.91 is: 1,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,017.41 : 2,784.48 = 1,231.91 : x
  2. Step 2: Convert to fraction form
    2,017.41/2,784.48 = 1,231.91/x
  3. Step 3: Cross multiply
    2,017.41x = 2,784.48 × 1,231.91
  4. Step 4: Simplify right side
    2,017.41x = 3,430,220.66
  5. Step 5: Solve for x
    x = 3,430,220.66/2,017.41
  6. Step 6: Final answer
    x = 1,700.31

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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.