Home / 1,893.04-2,611.72-1,106.80

Finding the Fourth Proportional to 1,893.04, 2,611.72 and 1,106.80

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Solution

The fourth proportional to 1,893.04, 2,611.72 and 1,106.80 is: 1,526.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.04 : 2,611.72 = 1,106.80 : x
  2. Step 2: Convert to fraction form
    1,893.04/2,611.72 = 1,106.80/x
  3. Step 3: Cross multiply
    1,893.04x = 2,611.72 × 1,106.80
  4. Step 4: Simplify right side
    1,893.04x = 2,890,651.70
  5. Step 5: Solve for x
    x = 2,890,651.70/1,893.04
  6. Step 6: Final answer
    x = 1,526.99

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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.