Home / 2,876.37-3,968.19-1,756.41

Finding the Fourth Proportional to 2,876.37, 3,968.19 and 1,756.41

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Solution

The fourth proportional to 2,876.37, 3,968.19 and 1,756.41 is: 2,423.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.37 : 3,968.19 = 1,756.41 : x
  2. Step 2: Convert to fraction form
    2,876.37/3,968.19 = 1,756.41/x
  3. Step 3: Cross multiply
    2,876.37x = 3,968.19 × 1,756.41
  4. Step 4: Simplify right side
    2,876.37x = 6,969,768.60
  5. Step 5: Solve for x
    x = 6,969,768.60/2,876.37
  6. Step 6: Final answer
    x = 2,423.11

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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.