Home / 3,074.38-4,612.96-1,319.84

Finding the Fourth Proportional to 3,074.38, 4,612.96 and 1,319.84

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Solution

The fourth proportional to 3,074.38, 4,612.96 and 1,319.84 is: 1,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.38 : 4,612.96 = 1,319.84 : x
  2. Step 2: Convert to fraction form
    3,074.38/4,612.96 = 1,319.84/x
  3. Step 3: Cross multiply
    3,074.38x = 4,612.96 × 1,319.84
  4. Step 4: Simplify right side
    3,074.38x = 6,088,369.13
  5. Step 5: Solve for x
    x = 6,088,369.13/3,074.38
  6. Step 6: Final answer
    x = 1,980.36

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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.