Home / 1,751.08-2,415.18-1,219.99

Finding the Fourth Proportional to 1,751.08, 2,415.18 and 1,219.99

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Solution

The fourth proportional to 1,751.08, 2,415.18 and 1,219.99 is: 1,682.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.08 : 2,415.18 = 1,219.99 : x
  2. Step 2: Convert to fraction form
    1,751.08/2,415.18 = 1,219.99/x
  3. Step 3: Cross multiply
    1,751.08x = 2,415.18 × 1,219.99
  4. Step 4: Simplify right side
    1,751.08x = 2,946,505.72
  5. Step 5: Solve for x
    x = 2,946,505.72/1,751.08
  6. Step 6: Final answer
    x = 1,682.68

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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.