Home / 4,040.68-5,573.64-2,643.40

Finding the Fourth Proportional to 4,040.68, 5,573.64 and 2,643.40

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Solution

The fourth proportional to 4,040.68, 5,573.64 and 2,643.40 is: 3,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,040.68 : 5,573.64 = 2,643.40 : x
  2. Step 2: Convert to fraction form
    4,040.68/5,573.64 = 2,643.40/x
  3. Step 3: Cross multiply
    4,040.68x = 5,573.64 × 2,643.40
  4. Step 4: Simplify right side
    4,040.68x = 14,733,359.98
  5. Step 5: Solve for x
    x = 14,733,359.98/4,040.68
  6. Step 6: Final answer
    x = 3,646.26

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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.