Home / 3,283.80-4,925.70-2,765.40

Finding the Fourth Proportional to 3,283.80, 4,925.70 and 2,765.40

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Solution

The fourth proportional to 3,283.80, 4,925.70 and 2,765.40 is: 4,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.80 : 4,925.70 = 2,765.40 : x
  2. Step 2: Convert to fraction form
    3,283.80/4,925.70 = 2,765.40/x
  3. Step 3: Cross multiply
    3,283.80x = 4,925.70 × 2,765.40
  4. Step 4: Simplify right side
    3,283.80x = 13,621,530.78
  5. Step 5: Solve for x
    x = 13,621,530.78/3,283.80
  6. Step 6: Final answer
    x = 4,148.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.