Home / 2,707.45-3,736.26-1,528.48

Finding the Fourth Proportional to 2,707.45, 3,736.26 and 1,528.48

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Solution

The fourth proportional to 2,707.45, 3,736.26 and 1,528.48 is: 2,109.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.45 : 3,736.26 = 1,528.48 : x
  2. Step 2: Convert to fraction form
    2,707.45/3,736.26 = 1,528.48/x
  3. Step 3: Cross multiply
    2,707.45x = 3,736.26 × 1,528.48
  4. Step 4: Simplify right side
    2,707.45x = 5,710,798.68
  5. Step 5: Solve for x
    x = 5,710,798.68/2,707.45
  6. Step 6: Final answer
    x = 2,109.29

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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.