Home / 3,729.83-5,148.06-2,312.66

Finding the Fourth Proportional to 3,729.83, 5,148.06 and 2,312.66

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Solution

The fourth proportional to 3,729.83, 5,148.06 and 2,312.66 is: 3,192.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,729.83 : 5,148.06 = 2,312.66 : x
  2. Step 2: Convert to fraction form
    3,729.83/5,148.06 = 2,312.66/x
  3. Step 3: Cross multiply
    3,729.83x = 5,148.06 × 2,312.66
  4. Step 4: Simplify right side
    3,729.83x = 11,905,712.44
  5. Step 5: Solve for x
    x = 11,905,712.44/3,729.83
  6. Step 6: Final answer
    x = 3,192.03

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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.