Home / 3,924.63-5,419.50-2,928.18

Finding the Fourth Proportional to 3,924.63, 5,419.50 and 2,928.18

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Solution

The fourth proportional to 3,924.63, 5,419.50 and 2,928.18 is: 4,043.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.63 : 5,419.50 = 2,928.18 : x
  2. Step 2: Convert to fraction form
    3,924.63/5,419.50 = 2,928.18/x
  3. Step 3: Cross multiply
    3,924.63x = 5,419.50 × 2,928.18
  4. Step 4: Simplify right side
    3,924.63x = 15,869,271.51
  5. Step 5: Solve for x
    x = 15,869,271.51/3,924.63
  6. Step 6: Final answer
    x = 4,043.51

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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.