Home / 3,112.03-4,668.70-1,031.91

Finding the Fourth Proportional to 3,112.03, 4,668.70 and 1,031.91

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Solution

The fourth proportional to 3,112.03, 4,668.70 and 1,031.91 is: 1,548.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.03 : 4,668.70 = 1,031.91 : x
  2. Step 2: Convert to fraction form
    3,112.03/4,668.70 = 1,031.91/x
  3. Step 3: Cross multiply
    3,112.03x = 4,668.70 × 1,031.91
  4. Step 4: Simplify right side
    3,112.03x = 4,817,678.22
  5. Step 5: Solve for x
    x = 4,817,678.22/3,112.03
  6. Step 6: Final answer
    x = 1,548.08

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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.