Home / 3,038.15-4,556.80-1,190.55

Finding the Fourth Proportional to 3,038.15, 4,556.80 and 1,190.55

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Solution

The fourth proportional to 3,038.15, 4,556.80 and 1,190.55 is: 1,785.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.15 : 4,556.80 = 1,190.55 : x
  2. Step 2: Convert to fraction form
    3,038.15/4,556.80 = 1,190.55/x
  3. Step 3: Cross multiply
    3,038.15x = 4,556.80 × 1,190.55
  4. Step 4: Simplify right side
    3,038.15x = 5,425,098.24
  5. Step 5: Solve for x
    x = 5,425,098.24/3,038.15
  6. Step 6: Final answer
    x = 1,785.66

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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.