Home / 2,749.32-3,794.18-1,570.48

Finding the Fourth Proportional to 2,749.32, 3,794.18 and 1,570.48

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Solution

The fourth proportional to 2,749.32, 3,794.18 and 1,570.48 is: 2,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.32 : 3,794.18 = 1,570.48 : x
  2. Step 2: Convert to fraction form
    2,749.32/3,794.18 = 1,570.48/x
  3. Step 3: Cross multiply
    2,749.32x = 3,794.18 × 1,570.48
  4. Step 4: Simplify right side
    2,749.32x = 5,958,683.81
  5. Step 5: Solve for x
    x = 5,958,683.81/2,749.32
  6. Step 6: Final answer
    x = 2,167.33

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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.