Home / 3,376.39-5,066.48-1,430.05

Finding the Fourth Proportional to 3,376.39, 5,066.48 and 1,430.05

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Solution

The fourth proportional to 3,376.39, 5,066.48 and 1,430.05 is: 2,145.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.39 : 5,066.48 = 1,430.05 : x
  2. Step 2: Convert to fraction form
    3,376.39/5,066.48 = 1,430.05/x
  3. Step 3: Cross multiply
    3,376.39x = 5,066.48 × 1,430.05
  4. Step 4: Simplify right side
    3,376.39x = 7,245,319.72
  5. Step 5: Solve for x
    x = 7,245,319.72/3,376.39
  6. Step 6: Final answer
    x = 2,145.88

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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.