Home / 3,031.88-4,181.90-1,853.53

Finding the Fourth Proportional to 3,031.88, 4,181.90 and 1,853.53

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Solution

The fourth proportional to 3,031.88, 4,181.90 and 1,853.53 is: 2,556.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,031.88 : 4,181.90 = 1,853.53 : x
  2. Step 2: Convert to fraction form
    3,031.88/4,181.90 = 1,853.53/x
  3. Step 3: Cross multiply
    3,031.88x = 4,181.90 × 1,853.53
  4. Step 4: Simplify right side
    3,031.88x = 7,751,271.29
  5. Step 5: Solve for x
    x = 7,751,271.29/3,031.88
  6. Step 6: Final answer
    x = 2,556.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.