Home / 3,547.40-5,314.70-2,894.60

Finding the Fourth Proportional to 3,547.40, 5,314.70 and 2,894.60

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Solution

The fourth proportional to 3,547.40, 5,314.70 and 2,894.60 is: 4,336.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.40 : 5,314.70 = 2,894.60 : x
  2. Step 2: Convert to fraction form
    3,547.40/5,314.70 = 2,894.60/x
  3. Step 3: Cross multiply
    3,547.40x = 5,314.70 × 2,894.60
  4. Step 4: Simplify right side
    3,547.40x = 15,383,930.62
  5. Step 5: Solve for x
    x = 15,383,930.62/3,547.40
  6. Step 6: Final answer
    x = 4,336.68

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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.