Home / 1,588.83-2,190.54-1,028.31

Finding the Fourth Proportional to 1,588.83, 2,190.54 and 1,028.31

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Solution

The fourth proportional to 1,588.83, 2,190.54 and 1,028.31 is: 1,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.83 : 2,190.54 = 1,028.31 : x
  2. Step 2: Convert to fraction form
    1,588.83/2,190.54 = 1,028.31/x
  3. Step 3: Cross multiply
    1,588.83x = 2,190.54 × 1,028.31
  4. Step 4: Simplify right side
    1,588.83x = 2,252,554.19
  5. Step 5: Solve for x
    x = 2,252,554.19/1,588.83
  6. Step 6: Final answer
    x = 1,417.74

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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.