Home / 2,998.37-4,137.58-1,672.17

Finding the Fourth Proportional to 2,998.37, 4,137.58 and 1,672.17

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Solution

The fourth proportional to 2,998.37, 4,137.58 and 1,672.17 is: 2,307.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.37 : 4,137.58 = 1,672.17 : x
  2. Step 2: Convert to fraction form
    2,998.37/4,137.58 = 1,672.17/x
  3. Step 3: Cross multiply
    2,998.37x = 4,137.58 × 1,672.17
  4. Step 4: Simplify right side
    2,998.37x = 6,918,737.15
  5. Step 5: Solve for x
    x = 6,918,737.15/2,998.37
  6. Step 6: Final answer
    x = 2,307.50

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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.