Home / 1,536.75-2,295.32-1,390.27

Finding the Fourth Proportional to 1,536.75, 2,295.32 and 1,390.27

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Solution

The fourth proportional to 1,536.75, 2,295.32 and 1,390.27 is: 2,076.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.75 : 2,295.32 = 1,390.27 : x
  2. Step 2: Convert to fraction form
    1,536.75/2,295.32 = 1,390.27/x
  3. Step 3: Cross multiply
    1,536.75x = 2,295.32 × 1,390.27
  4. Step 4: Simplify right side
    1,536.75x = 3,191,114.54
  5. Step 5: Solve for x
    x = 3,191,114.54/1,536.75
  6. Step 6: Final answer
    x = 2,076.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.