Home / 3,277.14-4,915.71-1,428.18

Finding the Fourth Proportional to 3,277.14, 4,915.71 and 1,428.18

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Solution

The fourth proportional to 3,277.14, 4,915.71 and 1,428.18 is: 2,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.14 : 4,915.71 = 1,428.18 : x
  2. Step 2: Convert to fraction form
    3,277.14/4,915.71 = 1,428.18/x
  3. Step 3: Cross multiply
    3,277.14x = 4,915.71 × 1,428.18
  4. Step 4: Simplify right side
    3,277.14x = 7,020,518.71
  5. Step 5: Solve for x
    x = 7,020,518.71/3,277.14
  6. Step 6: Final answer
    x = 2,142.27

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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.