Home / 2,985.67-4,448.51-2,818

Finding the Fourth Proportional to 2,985.67, 4,448.51 and 2,818

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Solution

The fourth proportional to 2,985.67, 4,448.51 and 2,818 is: 4,198.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985.67 : 4,448.51 = 2,818 : x
  2. Step 2: Convert to fraction form
    2,985.67/4,448.51 = 2,818/x
  3. Step 3: Cross multiply
    2,985.67x = 4,448.51 × 2,818
  4. Step 4: Simplify right side
    2,985.67x = 12,535,887.09
  5. Step 5: Solve for x
    x = 12,535,887.09/2,985.67
  6. Step 6: Final answer
    x = 4,198.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.