Home / 2,377.28-3,280.20-2,048.60

Finding the Fourth Proportional to 2,377.28, 3,280.20 and 2,048.60

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Solution

The fourth proportional to 2,377.28, 3,280.20 and 2,048.60 is: 2,826.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.28 : 3,280.20 = 2,048.60 : x
  2. Step 2: Convert to fraction form
    2,377.28/3,280.20 = 2,048.60/x
  3. Step 3: Cross multiply
    2,377.28x = 3,280.20 × 2,048.60
  4. Step 4: Simplify right side
    2,377.28x = 6,719,817.72
  5. Step 5: Solve for x
    x = 6,719,817.72/2,377.28
  6. Step 6: Final answer
    x = 2,826.68

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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.