Home / 2,051.38-2,827.76-1,608.51

Finding the Fourth Proportional to 2,051.38, 2,827.76 and 1,608.51

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Solution

The fourth proportional to 2,051.38, 2,827.76 and 1,608.51 is: 2,217.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.38 : 2,827.76 = 1,608.51 : x
  2. Step 2: Convert to fraction form
    2,051.38/2,827.76 = 1,608.51/x
  3. Step 3: Cross multiply
    2,051.38x = 2,827.76 × 1,608.51
  4. Step 4: Simplify right side
    2,051.38x = 4,548,475.94
  5. Step 5: Solve for x
    x = 4,548,475.94/2,051.38
  6. Step 6: Final answer
    x = 2,217.28

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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.