Home / 3,037.20-4,555.80-2,768.40

Finding the Fourth Proportional to 3,037.20, 4,555.80 and 2,768.40

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Solution

The fourth proportional to 3,037.20, 4,555.80 and 2,768.40 is: 4,152.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037.20 : 4,555.80 = 2,768.40 : x
  2. Step 2: Convert to fraction form
    3,037.20/4,555.80 = 2,768.40/x
  3. Step 3: Cross multiply
    3,037.20x = 4,555.80 × 2,768.40
  4. Step 4: Simplify right side
    3,037.20x = 12,612,276.72
  5. Step 5: Solve for x
    x = 12,612,276.72/3,037.20
  6. Step 6: Final answer
    x = 4,152.60

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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.