Home / 2,880.42-3,975.57-1,832.28

Finding the Fourth Proportional to 2,880.42, 3,975.57 and 1,832.28

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Solution

The fourth proportional to 2,880.42, 3,975.57 and 1,832.28 is: 2,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.42 : 3,975.57 = 1,832.28 : x
  2. Step 2: Convert to fraction form
    2,880.42/3,975.57 = 1,832.28/x
  3. Step 3: Cross multiply
    2,880.42x = 3,975.57 × 1,832.28
  4. Step 4: Simplify right side
    2,880.42x = 7,284,357.40
  5. Step 5: Solve for x
    x = 7,284,357.40/2,880.42
  6. Step 6: Final answer
    x = 2,528.92

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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.