Home / 3,107.62-4,283.94-2,547.16

Finding the Fourth Proportional to 3,107.62, 4,283.94 and 2,547.16

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Solution

The fourth proportional to 3,107.62, 4,283.94 and 2,547.16 is: 3,511.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.62 : 4,283.94 = 2,547.16 : x
  2. Step 2: Convert to fraction form
    3,107.62/4,283.94 = 2,547.16/x
  3. Step 3: Cross multiply
    3,107.62x = 4,283.94 × 2,547.16
  4. Step 4: Simplify right side
    3,107.62x = 10,911,880.61
  5. Step 5: Solve for x
    x = 10,911,880.61/3,107.62
  6. Step 6: Final answer
    x = 3,511.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.