Home / 4,040.71-5,577.69-2,643.46

Finding the Fourth Proportional to 4,040.71, 5,577.69 and 2,643.46

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Solution

The fourth proportional to 4,040.71, 5,577.69 and 2,643.46 is: 3,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.71 : 5,577.69 = 2,643.46 : x
  2. Step 2: Convert to fraction form
    4,040.71/5,577.69 = 2,643.46/x
  3. Step 3: Cross multiply
    4,040.71x = 5,577.69 × 2,643.46
  4. Step 4: Simplify right side
    4,040.71x = 14,744,400.41
  5. Step 5: Solve for x
    x = 14,744,400.41/4,040.71
  6. Step 6: Final answer
    x = 3,648.96

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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.