Home / 1,548.98-2,137.58-850.36

Finding the Fourth Proportional to 1,548.98, 2,137.58 and 850.36

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Solution

The fourth proportional to 1,548.98, 2,137.58 and 850.36 is: 1,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,548.98 : 2,137.58 = 850.36 : x
  2. Step 2: Convert to fraction form
    1,548.98/2,137.58 = 850.36/x
  3. Step 3: Cross multiply
    1,548.98x = 2,137.58 × 850.36
  4. Step 4: Simplify right side
    1,548.98x = 1,817,712.53
  5. Step 5: Solve for x
    x = 1,817,712.53/1,548.98
  6. Step 6: Final answer
    x = 1,173.49

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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.