Home / 2,722.96-3,757.84-1,528.08

Finding the Fourth Proportional to 2,722.96, 3,757.84 and 1,528.08

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Solution

The fourth proportional to 2,722.96, 3,757.84 and 1,528.08 is: 2,108.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.96 : 3,757.84 = 1,528.08 : x
  2. Step 2: Convert to fraction form
    2,722.96/3,757.84 = 1,528.08/x
  3. Step 3: Cross multiply
    2,722.96x = 3,757.84 × 1,528.08
  4. Step 4: Simplify right side
    2,722.96x = 5,742,280.15
  5. Step 5: Solve for x
    x = 5,742,280.15/2,722.96
  6. Step 6: Final answer
    x = 2,108.84

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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.