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Finding the Fourth Proportional to 1,840.36, 2,754.06 and 1,404.04

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Solution

The fourth proportional to 1,840.36, 2,754.06 and 1,404.04 is: 2,101.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.36 : 2,754.06 = 1,404.04 : x
  2. Step 2: Convert to fraction form
    1,840.36/2,754.06 = 1,404.04/x
  3. Step 3: Cross multiply
    1,840.36x = 2,754.06 × 1,404.04
  4. Step 4: Simplify right side
    1,840.36x = 3,866,810.40
  5. Step 5: Solve for x
    x = 3,866,810.40/1,840.36
  6. Step 6: Final answer
    x = 2,101.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.