Home / 2,740.52-4,111.49-1,571.09

Finding the Fourth Proportional to 2,740.52, 4,111.49 and 1,571.09

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Solution

The fourth proportional to 2,740.52, 4,111.49 and 1,571.09 is: 2,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.52 : 4,111.49 = 1,571.09 : x
  2. Step 2: Convert to fraction form
    2,740.52/4,111.49 = 1,571.09/x
  3. Step 3: Cross multiply
    2,740.52x = 4,111.49 × 1,571.09
  4. Step 4: Simplify right side
    2,740.52x = 6,459,504.19
  5. Step 5: Solve for x
    x = 6,459,504.19/2,740.52
  6. Step 6: Final answer
    x = 2,357.03

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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.