Home / 2,707.22-3,735.96-1,528.30

Finding the Fourth Proportional to 2,707.22, 3,735.96 and 1,528.30

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Solution

The fourth proportional to 2,707.22, 3,735.96 and 1,528.30 is: 2,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.22 : 3,735.96 = 1,528.30 : x
  2. Step 2: Convert to fraction form
    2,707.22/3,735.96 = 1,528.30/x
  3. Step 3: Cross multiply
    2,707.22x = 3,735.96 × 1,528.30
  4. Step 4: Simplify right side
    2,707.22x = 5,709,648.99
  5. Step 5: Solve for x
    x = 5,709,648.99/2,707.22
  6. Step 6: Final answer
    x = 2,109.05

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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.