Home / 3,087.40-4,633.26-1,357.24

Finding the Fourth Proportional to 3,087.40, 4,633.26 and 1,357.24

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Solution

The fourth proportional to 3,087.40, 4,633.26 and 1,357.24 is: 2,036.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.40 : 4,633.26 = 1,357.24 : x
  2. Step 2: Convert to fraction form
    3,087.40/4,633.26 = 1,357.24/x
  3. Step 3: Cross multiply
    3,087.40x = 4,633.26 × 1,357.24
  4. Step 4: Simplify right side
    3,087.40x = 6,288,445.80
  5. Step 5: Solve for x
    x = 6,288,445.80/3,087.40
  6. Step 6: Final answer
    x = 2,036.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.