Home / 2,701.23-4,055.49-1,240.80

Finding the Fourth Proportional to 2,701.23, 4,055.49 and 1,240.80

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Solution

The fourth proportional to 2,701.23, 4,055.49 and 1,240.80 is: 1,862.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,701.23 : 4,055.49 = 1,240.80 : x
  2. Step 2: Convert to fraction form
    2,701.23/4,055.49 = 1,240.80/x
  3. Step 3: Cross multiply
    2,701.23x = 4,055.49 × 1,240.80
  4. Step 4: Simplify right side
    2,701.23x = 5,032,051.99
  5. Step 5: Solve for x
    x = 5,032,051.99/2,701.23
  6. Step 6: Final answer
    x = 1,862.87

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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.