Home / 3,128.51-4,337.10-2,962.06

Finding the Fourth Proportional to 3,128.51, 4,337.10 and 2,962.06

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Solution

The fourth proportional to 3,128.51, 4,337.10 and 2,962.06 is: 4,106.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128.51 : 4,337.10 = 2,962.06 : x
  2. Step 2: Convert to fraction form
    3,128.51/4,337.10 = 2,962.06/x
  3. Step 3: Cross multiply
    3,128.51x = 4,337.10 × 2,962.06
  4. Step 4: Simplify right side
    3,128.51x = 12,846,739.58
  5. Step 5: Solve for x
    x = 12,846,739.58/3,128.51
  6. Step 6: Final answer
    x = 4,106.34

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.