Home / 2,918.16-4,377.78-2,506.14

Finding the Fourth Proportional to 2,918.16, 4,377.78 and 2,506.14

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Solution

The fourth proportional to 2,918.16, 4,377.78 and 2,506.14 is: 3,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918.16 : 4,377.78 = 2,506.14 : x
  2. Step 2: Convert to fraction form
    2,918.16/4,377.78 = 2,506.14/x
  3. Step 3: Cross multiply
    2,918.16x = 4,377.78 × 2,506.14
  4. Step 4: Simplify right side
    2,918.16x = 10,971,329.57
  5. Step 5: Solve for x
    x = 10,971,329.57/2,918.16
  6. Step 6: Final answer
    x = 3,759.67

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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.