Home / 3,073.13-4,607.70-1,319.27

Finding the Fourth Proportional to 3,073.13, 4,607.70 and 1,319.27

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Solution

The fourth proportional to 3,073.13, 4,607.70 and 1,319.27 is: 1,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.13 : 4,607.70 = 1,319.27 : x
  2. Step 2: Convert to fraction form
    3,073.13/4,607.70 = 1,319.27/x
  3. Step 3: Cross multiply
    3,073.13x = 4,607.70 × 1,319.27
  4. Step 4: Simplify right side
    3,073.13x = 6,078,777.34
  5. Step 5: Solve for x
    x = 6,078,777.34/3,073.13
  6. Step 6: Final answer
    x = 1,978.04

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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.