Home / 1,827.99-2,740.37-1,397.07

Finding the Fourth Proportional to 1,827.99, 2,740.37 and 1,397.07

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Solution

The fourth proportional to 1,827.99, 2,740.37 and 1,397.07 is: 2,094.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,827.99 : 2,740.37 = 1,397.07 : x
  2. Step 2: Convert to fraction form
    1,827.99/2,740.37 = 1,397.07/x
  3. Step 3: Cross multiply
    1,827.99x = 2,740.37 × 1,397.07
  4. Step 4: Simplify right side
    1,827.99x = 3,828,481.73
  5. Step 5: Solve for x
    x = 3,828,481.73/1,827.99
  6. Step 6: Final answer
    x = 2,094.37

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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.