Home / 1,957.19-2,700.96-1,072.94

Finding the Fourth Proportional to 1,957.19, 2,700.96 and 1,072.94

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Solution

The fourth proportional to 1,957.19, 2,700.96 and 1,072.94 is: 1,480.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.19 : 2,700.96 = 1,072.94 : x
  2. Step 2: Convert to fraction form
    1,957.19/2,700.96 = 1,072.94/x
  3. Step 3: Cross multiply
    1,957.19x = 2,700.96 × 1,072.94
  4. Step 4: Simplify right side
    1,957.19x = 2,897,968.02
  5. Step 5: Solve for x
    x = 2,897,968.02/1,957.19
  6. Step 6: Final answer
    x = 1,480.68

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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.