Home / 2,824.37-4,239.12-1,509.23

Finding the Fourth Proportional to 2,824.37, 4,239.12 and 1,509.23

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Solution

The fourth proportional to 2,824.37, 4,239.12 and 1,509.23 is: 2,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.37 : 4,239.12 = 1,509.23 : x
  2. Step 2: Convert to fraction form
    2,824.37/4,239.12 = 1,509.23/x
  3. Step 3: Cross multiply
    2,824.37x = 4,239.12 × 1,509.23
  4. Step 4: Simplify right side
    2,824.37x = 6,397,807.08
  5. Step 5: Solve for x
    x = 6,397,807.08/2,824.37
  6. Step 6: Final answer
    x = 2,265.22

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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.