Home / 1,745.80-2,409.20-1,156.33

Finding the Fourth Proportional to 1,745.80, 2,409.20 and 1,156.33

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Solution

The fourth proportional to 1,745.80, 2,409.20 and 1,156.33 is: 1,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.80 : 2,409.20 = 1,156.33 : x
  2. Step 2: Convert to fraction form
    1,745.80/2,409.20 = 1,156.33/x
  3. Step 3: Cross multiply
    1,745.80x = 2,409.20 × 1,156.33
  4. Step 4: Simplify right side
    1,745.80x = 2,785,836.26
  5. Step 5: Solve for x
    x = 2,785,836.26/1,745.80
  6. Step 6: Final answer
    x = 1,595.74

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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.