Home / 1,940.21-2,677.42-1,055.99

Finding the Fourth Proportional to 1,940.21, 2,677.42 and 1,055.99

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Solution

The fourth proportional to 1,940.21, 2,677.42 and 1,055.99 is: 1,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.21 : 2,677.42 = 1,055.99 : x
  2. Step 2: Convert to fraction form
    1,940.21/2,677.42 = 1,055.99/x
  3. Step 3: Cross multiply
    1,940.21x = 2,677.42 × 1,055.99
  4. Step 4: Simplify right side
    1,940.21x = 2,827,328.75
  5. Step 5: Solve for x
    x = 2,827,328.75/1,940.21
  6. Step 6: Final answer
    x = 1,457.23

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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.