Home / 2,830.09-3,905.53-1,588.09

Finding the Fourth Proportional to 2,830.09, 3,905.53 and 1,588.09

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Solution

The fourth proportional to 2,830.09, 3,905.53 and 1,588.09 is: 2,191.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830.09 : 3,905.53 = 1,588.09 : x
  2. Step 2: Convert to fraction form
    2,830.09/3,905.53 = 1,588.09/x
  3. Step 3: Cross multiply
    2,830.09x = 3,905.53 × 1,588.09
  4. Step 4: Simplify right side
    2,830.09x = 6,202,333.14
  5. Step 5: Solve for x
    x = 6,202,333.14/2,830.09
  6. Step 6: Final answer
    x = 2,191.57

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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.