Home / 2,835.81-3,914.04-1,577.30

Finding the Fourth Proportional to 2,835.81, 3,914.04 and 1,577.30

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Solution

The fourth proportional to 2,835.81, 3,914.04 and 1,577.30 is: 2,177.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,835.81 : 3,914.04 = 1,577.30 : x
  2. Step 2: Convert to fraction form
    2,835.81/3,914.04 = 1,577.30/x
  3. Step 3: Cross multiply
    2,835.81x = 3,914.04 × 1,577.30
  4. Step 4: Simplify right side
    2,835.81x = 6,173,615.29
  5. Step 5: Solve for x
    x = 6,173,615.29/2,835.81
  6. Step 6: Final answer
    x = 2,177.02

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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.