Home / 3,428.89-5,141.80-1,088.46

Finding the Fourth Proportional to 3,428.89, 5,141.80 and 1,088.46

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Solution

The fourth proportional to 3,428.89, 5,141.80 and 1,088.46 is: 1,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428.89 : 5,141.80 = 1,088.46 : x
  2. Step 2: Convert to fraction form
    3,428.89/5,141.80 = 1,088.46/x
  3. Step 3: Cross multiply
    3,428.89x = 5,141.80 × 1,088.46
  4. Step 4: Simplify right side
    3,428.89x = 5,596,644.99
  5. Step 5: Solve for x
    x = 5,596,644.99/3,428.89
  6. Step 6: Final answer
    x = 1,632.20

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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.