Home / 1,818.18-2,503.71-1,584.90

Finding the Fourth Proportional to 1,818.18, 2,503.71 and 1,584.90

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Solution

The fourth proportional to 1,818.18, 2,503.71 and 1,584.90 is: 2,182.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818.18 : 2,503.71 = 1,584.90 : x
  2. Step 2: Convert to fraction form
    1,818.18/2,503.71 = 1,584.90/x
  3. Step 3: Cross multiply
    1,818.18x = 2,503.71 × 1,584.90
  4. Step 4: Simplify right side
    1,818.18x = 3,968,129.98
  5. Step 5: Solve for x
    x = 3,968,129.98/1,818.18
  6. Step 6: Final answer
    x = 2,182.47

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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.