Home / 3,128.01-4,710.47-2,722.03

Finding the Fourth Proportional to 3,128.01, 4,710.47 and 2,722.03

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Solution

The fourth proportional to 3,128.01, 4,710.47 and 2,722.03 is: 4,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.01 : 4,710.47 = 2,722.03 : x
  2. Step 2: Convert to fraction form
    3,128.01/4,710.47 = 2,722.03/x
  3. Step 3: Cross multiply
    3,128.01x = 4,710.47 × 2,722.03
  4. Step 4: Simplify right side
    3,128.01x = 12,822,040.65
  5. Step 5: Solve for x
    x = 12,822,040.65/3,128.01
  6. Step 6: Final answer
    x = 4,099.10

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.