Home / 1,841.61-2,755.93-1,405.29

Finding the Fourth Proportional to 1,841.61, 2,755.93 and 1,405.29

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Solution

The fourth proportional to 1,841.61, 2,755.93 and 1,405.29 is: 2,102.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,841.61 : 2,755.93 = 1,405.29 : x
  2. Step 2: Convert to fraction form
    1,841.61/2,755.93 = 1,405.29/x
  3. Step 3: Cross multiply
    1,841.61x = 2,755.93 × 1,405.29
  4. Step 4: Simplify right side
    1,841.61x = 3,872,880.87
  5. Step 5: Solve for x
    x = 3,872,880.87/1,841.61
  6. Step 6: Final answer
    x = 2,102.99

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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.