Home / 3,513.88-5,272.26-1,953.64

Finding the Fourth Proportional to 3,513.88, 5,272.26 and 1,953.64

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Solution

The fourth proportional to 3,513.88, 5,272.26 and 1,953.64 is: 2,931.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.88 : 5,272.26 = 1,953.64 : x
  2. Step 2: Convert to fraction form
    3,513.88/5,272.26 = 1,953.64/x
  3. Step 3: Cross multiply
    3,513.88x = 5,272.26 × 1,953.64
  4. Step 4: Simplify right side
    3,513.88x = 10,300,098.03
  5. Step 5: Solve for x
    x = 10,300,098.03/3,513.88
  6. Step 6: Final answer
    x = 2,931.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.