Home / 3,653.24-5,043.72-2,378.34

Finding the Fourth Proportional to 3,653.24, 5,043.72 and 2,378.34

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Solution

The fourth proportional to 3,653.24, 5,043.72 and 2,378.34 is: 3,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,653.24 : 5,043.72 = 2,378.34 : x
  2. Step 2: Convert to fraction form
    3,653.24/5,043.72 = 2,378.34/x
  3. Step 3: Cross multiply
    3,653.24x = 5,043.72 × 2,378.34
  4. Step 4: Simplify right side
    3,653.24x = 11,995,681.02
  5. Step 5: Solve for x
    x = 11,995,681.02/3,653.24
  6. Step 6: Final answer
    x = 3,283.57

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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.