Home / 3,347.41-5,021.40-1,126.12

Finding the Fourth Proportional to 3,347.41, 5,021.40 and 1,126.12

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Solution

The fourth proportional to 3,347.41, 5,021.40 and 1,126.12 is: 1,689.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,347.41 : 5,021.40 = 1,126.12 : x
  2. Step 2: Convert to fraction form
    3,347.41/5,021.40 = 1,126.12/x
  3. Step 3: Cross multiply
    3,347.41x = 5,021.40 × 1,126.12
  4. Step 4: Simplify right side
    3,347.41x = 5,654,698.97
  5. Step 5: Solve for x
    x = 5,654,698.97/3,347.41
  6. Step 6: Final answer
    x = 1,689.28

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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.