Home / 3,393.50-4,685.04-2,400.84

Finding the Fourth Proportional to 3,393.50, 4,685.04 and 2,400.84

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Solution

The fourth proportional to 3,393.50, 4,685.04 and 2,400.84 is: 3,314.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393.50 : 4,685.04 = 2,400.84 : x
  2. Step 2: Convert to fraction form
    3,393.50/4,685.04 = 2,400.84/x
  3. Step 3: Cross multiply
    3,393.50x = 4,685.04 × 2,400.84
  4. Step 4: Simplify right side
    3,393.50x = 11,248,031.43
  5. Step 5: Solve for x
    x = 11,248,031.43/3,393.50
  6. Step 6: Final answer
    x = 3,314.59

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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.