Home / 2,041.70-2,817.30-1,255.54

Finding the Fourth Proportional to 2,041.70, 2,817.30 and 1,255.54

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Solution

The fourth proportional to 2,041.70, 2,817.30 and 1,255.54 is: 1,732.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.70 : 2,817.30 = 1,255.54 : x
  2. Step 2: Convert to fraction form
    2,041.70/2,817.30 = 1,255.54/x
  3. Step 3: Cross multiply
    2,041.70x = 2,817.30 × 1,255.54
  4. Step 4: Simplify right side
    2,041.70x = 3,537,232.84
  5. Step 5: Solve for x
    x = 3,537,232.84/2,041.70
  6. Step 6: Final answer
    x = 1,732.49

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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.