Home / 1,745.55-2,615.90-1,015.34

Finding the Fourth Proportional to 1,745.55, 2,615.90 and 1,015.34

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Solution

The fourth proportional to 1,745.55, 2,615.90 and 1,015.34 is: 1,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.55 : 2,615.90 = 1,015.34 : x
  2. Step 2: Convert to fraction form
    1,745.55/2,615.90 = 1,015.34/x
  3. Step 3: Cross multiply
    1,745.55x = 2,615.90 × 1,015.34
  4. Step 4: Simplify right side
    1,745.55x = 2,656,009.75
  5. Step 5: Solve for x
    x = 2,656,009.75/1,745.55
  6. Step 6: Final answer
    x = 1,521.59

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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.