Home / 2,818.02-4,220.55-1,583.58

Finding the Fourth Proportional to 2,818.02, 4,220.55 and 1,583.58

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Solution

The fourth proportional to 2,818.02, 4,220.55 and 1,583.58 is: 2,371.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.02 : 4,220.55 = 1,583.58 : x
  2. Step 2: Convert to fraction form
    2,818.02/4,220.55 = 1,583.58/x
  3. Step 3: Cross multiply
    2,818.02x = 4,220.55 × 1,583.58
  4. Step 4: Simplify right side
    2,818.02x = 6,683,578.57
  5. Step 5: Solve for x
    x = 6,683,578.57/2,818.02
  6. Step 6: Final answer
    x = 2,371.73

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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.