Home / 2,827.51-3,903.90-1,766.89

Finding the Fourth Proportional to 2,827.51, 3,903.90 and 1,766.89

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Solution

The fourth proportional to 2,827.51, 3,903.90 and 1,766.89 is: 2,439.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.51 : 3,903.90 = 1,766.89 : x
  2. Step 2: Convert to fraction form
    2,827.51/3,903.90 = 1,766.89/x
  3. Step 3: Cross multiply
    2,827.51x = 3,903.90 × 1,766.89
  4. Step 4: Simplify right side
    2,827.51x = 6,897,761.87
  5. Step 5: Solve for x
    x = 6,897,761.87/2,827.51
  6. Step 6: Final answer
    x = 2,439.52

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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.