Home / 2,880.33-3,973.75-1,760.37

Finding the Fourth Proportional to 2,880.33, 3,973.75 and 1,760.37

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Solution

The fourth proportional to 2,880.33, 3,973.75 and 1,760.37 is: 2,428.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.33 : 3,973.75 = 1,760.37 : x
  2. Step 2: Convert to fraction form
    2,880.33/3,973.75 = 1,760.37/x
  3. Step 3: Cross multiply
    2,880.33x = 3,973.75 × 1,760.37
  4. Step 4: Simplify right side
    2,880.33x = 6,995,270.29
  5. Step 5: Solve for x
    x = 6,995,270.29/2,880.33
  6. Step 6: Final answer
    x = 2,428.64

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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.