Home / 2,376.96-3,280.21-1,329.03

Finding the Fourth Proportional to 2,376.96, 3,280.21 and 1,329.03

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Solution

The fourth proportional to 2,376.96, 3,280.21 and 1,329.03 is: 1,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.96 : 3,280.21 = 1,329.03 : x
  2. Step 2: Convert to fraction form
    2,376.96/3,280.21 = 1,329.03/x
  3. Step 3: Cross multiply
    2,376.96x = 3,280.21 × 1,329.03
  4. Step 4: Simplify right side
    2,376.96x = 4,359,474.45
  5. Step 5: Solve for x
    x = 4,359,474.45/2,376.96
  6. Step 6: Final answer
    x = 1,834.05

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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.