Home / 3,417.86-5,126.89-2,255.31

Finding the Fourth Proportional to 3,417.86, 5,126.89 and 2,255.31

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Solution

The fourth proportional to 3,417.86, 5,126.89 and 2,255.31 is: 3,383.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.86 : 5,126.89 = 2,255.31 : x
  2. Step 2: Convert to fraction form
    3,417.86/5,126.89 = 2,255.31/x
  3. Step 3: Cross multiply
    3,417.86x = 5,126.89 × 2,255.31
  4. Step 4: Simplify right side
    3,417.86x = 11,562,726.29
  5. Step 5: Solve for x
    x = 11,562,726.29/3,417.86
  6. Step 6: Final answer
    x = 3,383.03

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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.