Home / 3,038.88-4,556.48-1,187.82

Finding the Fourth Proportional to 3,038.88, 4,556.48 and 1,187.82

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Solution

The fourth proportional to 3,038.88, 4,556.48 and 1,187.82 is: 1,781.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.88 : 4,556.48 = 1,187.82 : x
  2. Step 2: Convert to fraction form
    3,038.88/4,556.48 = 1,187.82/x
  3. Step 3: Cross multiply
    3,038.88x = 4,556.48 × 1,187.82
  4. Step 4: Simplify right side
    3,038.88x = 5,412,278.07
  5. Step 5: Solve for x
    x = 5,412,278.07/3,038.88
  6. Step 6: Final answer
    x = 1,781.01

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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.