Home / 4,289.07-5,918.44-2,400.39

Finding the Fourth Proportional to 4,289.07, 5,918.44 and 2,400.39

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Solution

The fourth proportional to 4,289.07, 5,918.44 and 2,400.39 is: 3,312.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.07 : 5,918.44 = 2,400.39 : x
  2. Step 2: Convert to fraction form
    4,289.07/5,918.44 = 2,400.39/x
  3. Step 3: Cross multiply
    4,289.07x = 5,918.44 × 2,400.39
  4. Step 4: Simplify right side
    4,289.07x = 14,206,589.39
  5. Step 5: Solve for x
    x = 14,206,589.39/4,289.07
  6. Step 6: Final answer
    x = 3,312.27

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1.5x scale

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.