Home / 3,347.55-5,021.77-1,238.89

Finding the Fourth Proportional to 3,347.55, 5,021.77 and 1,238.89

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Solution

The fourth proportional to 3,347.55, 5,021.77 and 1,238.89 is: 1,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.55 : 5,021.77 = 1,238.89 : x
  2. Step 2: Convert to fraction form
    3,347.55/5,021.77 = 1,238.89/x
  3. Step 3: Cross multiply
    3,347.55x = 5,021.77 × 1,238.89
  4. Step 4: Simplify right side
    3,347.55x = 6,221,423.82
  5. Step 5: Solve for x
    x = 6,221,423.82/3,347.55
  6. Step 6: Final answer
    x = 1,858.50

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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.