Home / 3,948.86-5,918.16-1,606.13

Finding the Fourth Proportional to 3,948.86, 5,918.16 and 1,606.13

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Solution

The fourth proportional to 3,948.86, 5,918.16 and 1,606.13 is: 2,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.86 : 5,918.16 = 1,606.13 : x
  2. Step 2: Convert to fraction form
    3,948.86/5,918.16 = 1,606.13/x
  3. Step 3: Cross multiply
    3,948.86x = 5,918.16 × 1,606.13
  4. Step 4: Simplify right side
    3,948.86x = 9,505,334.32
  5. Step 5: Solve for x
    x = 9,505,334.32/3,948.86
  6. Step 6: Final answer
    x = 2,407.11

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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.