Home / 2,998.02-4,137.96-1,818.84

Finding the Fourth Proportional to 2,998.02, 4,137.96 and 1,818.84

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Solution

The fourth proportional to 2,998.02, 4,137.96 and 1,818.84 is: 2,510.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.02 : 4,137.96 = 1,818.84 : x
  2. Step 2: Convert to fraction form
    2,998.02/4,137.96 = 1,818.84/x
  3. Step 3: Cross multiply
    2,998.02x = 4,137.96 × 1,818.84
  4. Step 4: Simplify right side
    2,998.02x = 7,526,287.17
  5. Step 5: Solve for x
    x = 7,526,287.17/2,998.02
  6. Step 6: Final answer
    x = 2,510.42

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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.