Home / 3,946.80-5,918.97-1,349.13

Finding the Fourth Proportional to 3,946.80, 5,918.97 and 1,349.13

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Solution

The fourth proportional to 3,946.80, 5,918.97 and 1,349.13 is: 2,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.80 : 5,918.97 = 1,349.13 : x
  2. Step 2: Convert to fraction form
    3,946.80/5,918.97 = 1,349.13/x
  3. Step 3: Cross multiply
    3,946.80x = 5,918.97 × 1,349.13
  4. Step 4: Simplify right side
    3,946.80x = 7,985,430.40
  5. Step 5: Solve for x
    x = 7,985,430.40/3,946.80
  6. Step 6: Final answer
    x = 2,023.27

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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.