Home / 3,953.07-5,455.35-2,184.84

Finding the Fourth Proportional to 3,953.07, 5,455.35 and 2,184.84

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Solution

The fourth proportional to 3,953.07, 5,455.35 and 2,184.84 is: 3,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,953.07 : 5,455.35 = 2,184.84 : x
  2. Step 2: Convert to fraction form
    3,953.07/5,455.35 = 2,184.84/x
  3. Step 3: Cross multiply
    3,953.07x = 5,455.35 × 2,184.84
  4. Step 4: Simplify right side
    3,953.07x = 11,919,066.89
  5. Step 5: Solve for x
    x = 11,919,066.89/3,953.07
  6. Step 6: Final answer
    x = 3,015.14

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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.