Home / 1,940.15-2,677.40-1,055.95

Finding the Fourth Proportional to 1,940.15, 2,677.40 and 1,055.95

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Solution

The fourth proportional to 1,940.15, 2,677.40 and 1,055.95 is: 1,457.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940.15 : 2,677.40 = 1,055.95 : x
  2. Step 2: Convert to fraction form
    1,940.15/2,677.40 = 1,055.95/x
  3. Step 3: Cross multiply
    1,940.15x = 2,677.40 × 1,055.95
  4. Step 4: Simplify right side
    1,940.15x = 2,827,196.48
  5. Step 5: Solve for x
    x = 2,827,196.48/1,940.15
  6. Step 6: Final answer
    x = 1,457.21

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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.