Home / 4,040.75-5,576.31-2,643.50

Finding the Fourth Proportional to 4,040.75, 5,576.31 and 2,643.50

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Solution

The fourth proportional to 4,040.75, 5,576.31 and 2,643.50 is: 3,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.75 : 5,576.31 = 2,643.50 : x
  2. Step 2: Convert to fraction form
    4,040.75/5,576.31 = 2,643.50/x
  3. Step 3: Cross multiply
    4,040.75x = 5,576.31 × 2,643.50
  4. Step 4: Simplify right side
    4,040.75x = 14,740,962.27
  5. Step 5: Solve for x
    x = 14,740,962.27/4,040.75
  6. Step 6: Final answer
    x = 3,648.08

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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.