Home / 2,054.81-2,835.43-1,170.56

Finding the Fourth Proportional to 2,054.81, 2,835.43 and 1,170.56

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Solution

The fourth proportional to 2,054.81, 2,835.43 and 1,170.56 is: 1,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.81 : 2,835.43 = 1,170.56 : x
  2. Step 2: Convert to fraction form
    2,054.81/2,835.43 = 1,170.56/x
  3. Step 3: Cross multiply
    2,054.81x = 2,835.43 × 1,170.56
  4. Step 4: Simplify right side
    2,054.81x = 3,319,023.84
  5. Step 5: Solve for x
    x = 3,319,023.84/2,054.81
  6. Step 6: Final answer
    x = 1,615.25

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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.