Home / 1,835.28-2,531.01-1,205.55

Finding the Fourth Proportional to 1,835.28, 2,531.01 and 1,205.55

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Solution

The fourth proportional to 1,835.28, 2,531.01 and 1,205.55 is: 1,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.28 : 2,531.01 = 1,205.55 : x
  2. Step 2: Convert to fraction form
    1,835.28/2,531.01 = 1,205.55/x
  3. Step 3: Cross multiply
    1,835.28x = 2,531.01 × 1,205.55
  4. Step 4: Simplify right side
    1,835.28x = 3,051,253.08
  5. Step 5: Solve for x
    x = 3,051,253.08/1,835.28
  6. Step 6: Final answer
    x = 1,662.56

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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.