Home / 2,818.23-3,888.75-1,699.44

Finding the Fourth Proportional to 2,818.23, 3,888.75 and 1,699.44

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Solution

The fourth proportional to 2,818.23, 3,888.75 and 1,699.44 is: 2,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.23 : 3,888.75 = 1,699.44 : x
  2. Step 2: Convert to fraction form
    2,818.23/3,888.75 = 1,699.44/x
  3. Step 3: Cross multiply
    2,818.23x = 3,888.75 × 1,699.44
  4. Step 4: Simplify right side
    2,818.23x = 6,608,697.30
  5. Step 5: Solve for x
    x = 6,608,697.30/2,818.23
  6. Step 6: Final answer
    x = 2,344.98

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1.5x scale

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.