Home / 3,406.08-4,699.79-1,893.48

Finding the Fourth Proportional to 3,406.08, 4,699.79 and 1,893.48

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Solution

The fourth proportional to 3,406.08, 4,699.79 and 1,893.48 is: 2,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.08 : 4,699.79 = 1,893.48 : x
  2. Step 2: Convert to fraction form
    3,406.08/4,699.79 = 1,893.48/x
  3. Step 3: Cross multiply
    3,406.08x = 4,699.79 × 1,893.48
  4. Step 4: Simplify right side
    3,406.08x = 8,898,938.38
  5. Step 5: Solve for x
    x = 8,898,938.38/3,406.08
  6. Step 6: Final answer
    x = 2,612.66

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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.