Home / 3,835.22-5,295.98-2,421.45

Finding the Fourth Proportional to 3,835.22, 5,295.98 and 2,421.45

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Solution

The fourth proportional to 3,835.22, 5,295.98 and 2,421.45 is: 3,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.22 : 5,295.98 = 2,421.45 : x
  2. Step 2: Convert to fraction form
    3,835.22/5,295.98 = 2,421.45/x
  3. Step 3: Cross multiply
    3,835.22x = 5,295.98 × 2,421.45
  4. Step 4: Simplify right side
    3,835.22x = 12,823,956.82
  5. Step 5: Solve for x
    x = 12,823,956.82/3,835.22
  6. Step 6: Final answer
    x = 3,343.74

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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.