Home / 1,588.18-2,382.36-548.23

Finding the Fourth Proportional to 1,588.18, 2,382.36 and 548.23

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Solution

The fourth proportional to 1,588.18, 2,382.36 and 548.23 is: 822.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.18 : 2,382.36 = 548.23 : x
  2. Step 2: Convert to fraction form
    1,588.18/2,382.36 = 548.23/x
  3. Step 3: Cross multiply
    1,588.18x = 2,382.36 × 548.23
  4. Step 4: Simplify right side
    1,588.18x = 1,306,081.22
  5. Step 5: Solve for x
    x = 1,306,081.22/1,588.18
  6. Step 6: Final answer
    x = 822.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.