Home / 2,768.10-4,153.05-1,657.34

Finding the Fourth Proportional to 2,768.10, 4,153.05 and 1,657.34

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Solution

The fourth proportional to 2,768.10, 4,153.05 and 1,657.34 is: 2,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768.10 : 4,153.05 = 1,657.34 : x
  2. Step 2: Convert to fraction form
    2,768.10/4,153.05 = 1,657.34/x
  3. Step 3: Cross multiply
    2,768.10x = 4,153.05 × 1,657.34
  4. Step 4: Simplify right side
    2,768.10x = 6,883,007.60
  5. Step 5: Solve for x
    x = 6,883,007.60/2,768.10
  6. Step 6: Final answer
    x = 2,486.55

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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.