Home / 2,379.55-3,276.97-1,715.35

Finding the Fourth Proportional to 2,379.55, 3,276.97 and 1,715.35

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Solution

The fourth proportional to 2,379.55, 3,276.97 and 1,715.35 is: 2,362.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379.55 : 3,276.97 = 1,715.35 : x
  2. Step 2: Convert to fraction form
    2,379.55/3,276.97 = 1,715.35/x
  3. Step 3: Cross multiply
    2,379.55x = 3,276.97 × 1,715.35
  4. Step 4: Simplify right side
    2,379.55x = 5,621,150.49
  5. Step 5: Solve for x
    x = 5,621,150.49/2,379.55
  6. Step 6: Final answer
    x = 2,362.27

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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.