Home / 2,957.14-4,429.35-1,394.80

Finding the Fourth Proportional to 2,957.14, 4,429.35 and 1,394.80

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Solution

The fourth proportional to 2,957.14, 4,429.35 and 1,394.80 is: 2,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,957.14 : 4,429.35 = 1,394.80 : x
  2. Step 2: Convert to fraction form
    2,957.14/4,429.35 = 1,394.80/x
  3. Step 3: Cross multiply
    2,957.14x = 4,429.35 × 1,394.80
  4. Step 4: Simplify right side
    2,957.14x = 6,178,057.38
  5. Step 5: Solve for x
    x = 6,178,057.38/2,957.14
  6. Step 6: Final answer
    x = 2,089.20

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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.