Home / 3,389.27-4,676.96-1,897.17

Finding the Fourth Proportional to 3,389.27, 4,676.96 and 1,897.17

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Solution

The fourth proportional to 3,389.27, 4,676.96 and 1,897.17 is: 2,617.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.27 : 4,676.96 = 1,897.17 : x
  2. Step 2: Convert to fraction form
    3,389.27/4,676.96 = 1,897.17/x
  3. Step 3: Cross multiply
    3,389.27x = 4,676.96 × 1,897.17
  4. Step 4: Simplify right side
    3,389.27x = 8,872,978.72
  5. Step 5: Solve for x
    x = 8,872,978.72/3,389.27
  6. Step 6: Final answer
    x = 2,617.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.