Home / 2,830.98-3,906.33-1,588.74

Finding the Fourth Proportional to 2,830.98, 3,906.33 and 1,588.74

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Solution

The fourth proportional to 2,830.98, 3,906.33 and 1,588.74 is: 2,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.98 : 3,906.33 = 1,588.74 : x
  2. Step 2: Convert to fraction form
    2,830.98/3,906.33 = 1,588.74/x
  3. Step 3: Cross multiply
    2,830.98x = 3,906.33 × 1,588.74
  4. Step 4: Simplify right side
    2,830.98x = 6,206,142.72
  5. Step 5: Solve for x
    x = 6,206,142.72/2,830.98
  6. Step 6: Final answer
    x = 2,192.22

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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.