Home / 3,430.93-5,146.44-1,239.52

Finding the Fourth Proportional to 3,430.93, 5,146.44 and 1,239.52

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Solution

The fourth proportional to 3,430.93, 5,146.44 and 1,239.52 is: 1,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.93 : 5,146.44 = 1,239.52 : x
  2. Step 2: Convert to fraction form
    3,430.93/5,146.44 = 1,239.52/x
  3. Step 3: Cross multiply
    3,430.93x = 5,146.44 × 1,239.52
  4. Step 4: Simplify right side
    3,430.93x = 6,379,115.31
  5. Step 5: Solve for x
    x = 6,379,115.31/3,430.93
  6. Step 6: Final answer
    x = 1,859.30

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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.