Home / 3,655.94-5,042.25-2,947.59

Finding the Fourth Proportional to 3,655.94, 5,042.25 and 2,947.59

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Solution

The fourth proportional to 3,655.94, 5,042.25 and 2,947.59 is: 4,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655.94 : 5,042.25 = 2,947.59 : x
  2. Step 2: Convert to fraction form
    3,655.94/5,042.25 = 2,947.59/x
  3. Step 3: Cross multiply
    3,655.94x = 5,042.25 × 2,947.59
  4. Step 4: Simplify right side
    3,655.94x = 14,862,485.68
  5. Step 5: Solve for x
    x = 14,862,485.68/3,655.94
  6. Step 6: Final answer
    x = 4,065.30

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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.