Home / 3,829.78-5,746.10-2,608.70

Finding the Fourth Proportional to 3,829.78, 5,746.10 and 2,608.70

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Solution

The fourth proportional to 3,829.78, 5,746.10 and 2,608.70 is: 3,914.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829.78 : 5,746.10 = 2,608.70 : x
  2. Step 2: Convert to fraction form
    3,829.78/5,746.10 = 2,608.70/x
  3. Step 3: Cross multiply
    3,829.78x = 5,746.10 × 2,608.70
  4. Step 4: Simplify right side
    3,829.78x = 14,989,851.07
  5. Step 5: Solve for x
    x = 14,989,851.07/3,829.78
  6. Step 6: Final answer
    x = 3,914.02

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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.