Home / 3,946.48-5,922.66-1,867.12

Finding the Fourth Proportional to 3,946.48, 5,922.66 and 1,867.12

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Solution

The fourth proportional to 3,946.48, 5,922.66 and 1,867.12 is: 2,802.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,946.48 : 5,922.66 = 1,867.12 : x
  2. Step 2: Convert to fraction form
    3,946.48/5,922.66 = 1,867.12/x
  3. Step 3: Cross multiply
    3,946.48x = 5,922.66 × 1,867.12
  4. Step 4: Simplify right side
    3,946.48x = 11,058,316.94
  5. Step 5: Solve for x
    x = 11,058,316.94/3,946.48
  6. Step 6: Final answer
    x = 2,802.07

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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.