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Finding the Fourth Proportional to 2,903.30, 4,351.30 and 2,670.02

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Solution

The fourth proportional to 2,903.30, 4,351.30 and 2,670.02 is: 4,001.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.30 : 4,351.30 = 2,670.02 : x
  2. Step 2: Convert to fraction form
    2,903.30/4,351.30 = 2,670.02/x
  3. Step 3: Cross multiply
    2,903.30x = 4,351.30 × 2,670.02
  4. Step 4: Simplify right side
    2,903.30x = 11,618,058.03
  5. Step 5: Solve for x
    x = 11,618,058.03/2,903.30
  6. Step 6: Final answer
    x = 4,001.67

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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.