Home / 2,383.89-3,576.87-1,289.03

Finding the Fourth Proportional to 2,383.89, 3,576.87 and 1,289.03

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Solution

The fourth proportional to 2,383.89, 3,576.87 and 1,289.03 is: 1,934.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,383.89 : 3,576.87 = 1,289.03 : x
  2. Step 2: Convert to fraction form
    2,383.89/3,576.87 = 1,289.03/x
  3. Step 3: Cross multiply
    2,383.89x = 3,576.87 × 1,289.03
  4. Step 4: Simplify right side
    2,383.89x = 4,610,689.51
  5. Step 5: Solve for x
    x = 4,610,689.51/2,383.89
  6. Step 6: Final answer
    x = 1,934.10

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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.