Home / 2,770.61-3,823.40-1,827.77

Finding the Fourth Proportional to 2,770.61, 3,823.40 and 1,827.77

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Solution

The fourth proportional to 2,770.61, 3,823.40 and 1,827.77 is: 2,522.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.61 : 3,823.40 = 1,827.77 : x
  2. Step 2: Convert to fraction form
    2,770.61/3,823.40 = 1,827.77/x
  3. Step 3: Cross multiply
    2,770.61x = 3,823.40 × 1,827.77
  4. Step 4: Simplify right side
    2,770.61x = 6,988,281.27
  5. Step 5: Solve for x
    x = 6,988,281.27/2,770.61
  6. Step 6: Final answer
    x = 2,522.29

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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.