Home / 3,370.34-5,055.26-1,290.53

Finding the Fourth Proportional to 3,370.34, 5,055.26 and 1,290.53

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Solution

The fourth proportional to 3,370.34, 5,055.26 and 1,290.53 is: 1,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370.34 : 5,055.26 = 1,290.53 : x
  2. Step 2: Convert to fraction form
    3,370.34/5,055.26 = 1,290.53/x
  3. Step 3: Cross multiply
    3,370.34x = 5,055.26 × 1,290.53
  4. Step 4: Simplify right side
    3,370.34x = 6,523,964.69
  5. Step 5: Solve for x
    x = 6,523,964.69/3,370.34
  6. Step 6: Final answer
    x = 1,935.70

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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.