Home / 3,450.16-5,174.48-1,370.63

Finding the Fourth Proportional to 3,450.16, 5,174.48 and 1,370.63

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Solution

The fourth proportional to 3,450.16, 5,174.48 and 1,370.63 is: 2,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.16 : 5,174.48 = 1,370.63 : x
  2. Step 2: Convert to fraction form
    3,450.16/5,174.48 = 1,370.63/x
  3. Step 3: Cross multiply
    3,450.16x = 5,174.48 × 1,370.63
  4. Step 4: Simplify right side
    3,450.16x = 7,092,312.49
  5. Step 5: Solve for x
    x = 7,092,312.49/3,450.16
  6. Step 6: Final answer
    x = 2,055.65

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1.5x scale

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.