Home / 1,745.51-2,615.85-1,283.54

Finding the Fourth Proportional to 1,745.51, 2,615.85 and 1,283.54

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Solution

The fourth proportional to 1,745.51, 2,615.85 and 1,283.54 is: 1,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.51 : 2,615.85 = 1,283.54 : x
  2. Step 2: Convert to fraction form
    1,745.51/2,615.85 = 1,283.54/x
  3. Step 3: Cross multiply
    1,745.51x = 2,615.85 × 1,283.54
  4. Step 4: Simplify right side
    1,745.51x = 3,357,535.03
  5. Step 5: Solve for x
    x = 3,357,535.03/1,745.51
  6. Step 6: Final answer
    x = 1,923.53

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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.