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Finding the Fourth Proportional to 2,898.44, 4,001.58 and 1,905.38

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Solution

The fourth proportional to 2,898.44, 4,001.58 and 1,905.38 is: 2,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.44 : 4,001.58 = 1,905.38 : x
  2. Step 2: Convert to fraction form
    2,898.44/4,001.58 = 1,905.38/x
  3. Step 3: Cross multiply
    2,898.44x = 4,001.58 × 1,905.38
  4. Step 4: Simplify right side
    2,898.44x = 7,624,530.50
  5. Step 5: Solve for x
    x = 7,624,530.50/2,898.44
  6. Step 6: Final answer
    x = 2,630.56

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1.5x scale

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.