Home / 3,390.39-4,675.50-2,193.84

Finding the Fourth Proportional to 3,390.39, 4,675.50 and 2,193.84

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Solution

The fourth proportional to 3,390.39, 4,675.50 and 2,193.84 is: 3,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.39 : 4,675.50 = 2,193.84 : x
  2. Step 2: Convert to fraction form
    3,390.39/4,675.50 = 2,193.84/x
  3. Step 3: Cross multiply
    3,390.39x = 4,675.50 × 2,193.84
  4. Step 4: Simplify right side
    3,390.39x = 10,257,298.92
  5. Step 5: Solve for x
    x = 10,257,298.92/3,390.39
  6. Step 6: Final answer
    x = 3,025.40

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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.