Home / 1,893.39-2,611.44-1,518.87

Finding the Fourth Proportional to 1,893.39, 2,611.44 and 1,518.87

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Solution

The fourth proportional to 1,893.39, 2,611.44 and 1,518.87 is: 2,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.39 : 2,611.44 = 1,518.87 : x
  2. Step 2: Convert to fraction form
    1,893.39/2,611.44 = 1,518.87/x
  3. Step 3: Cross multiply
    1,893.39x = 2,611.44 × 1,518.87
  4. Step 4: Simplify right side
    1,893.39x = 3,966,437.87
  5. Step 5: Solve for x
    x = 3,966,437.87/1,893.39
  6. Step 6: Final answer
    x = 2,094.89

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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.