Home / 3,948.84-5,923.08-1,316.16

Finding the Fourth Proportional to 3,948.84, 5,923.08 and 1,316.16

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Solution

The fourth proportional to 3,948.84, 5,923.08 and 1,316.16 is: 1,974.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948.84 : 5,923.08 = 1,316.16 : x
  2. Step 2: Convert to fraction form
    3,948.84/5,923.08 = 1,316.16/x
  3. Step 3: Cross multiply
    3,948.84x = 5,923.08 × 1,316.16
  4. Step 4: Simplify right side
    3,948.84x = 7,795,720.97
  5. Step 5: Solve for x
    x = 7,795,720.97/3,948.84
  6. Step 6: Final answer
    x = 1,974.18

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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.