Home / 4,239.94-6,350.70-2,390.08

Finding the Fourth Proportional to 4,239.94, 6,350.70 and 2,390.08

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Solution

The fourth proportional to 4,239.94, 6,350.70 and 2,390.08 is: 3,579.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.94 : 6,350.70 = 2,390.08 : x
  2. Step 2: Convert to fraction form
    4,239.94/6,350.70 = 2,390.08/x
  3. Step 3: Cross multiply
    4,239.94x = 6,350.70 × 2,390.08
  4. Step 4: Simplify right side
    4,239.94x = 15,178,681.06
  5. Step 5: Solve for x
    x = 15,178,681.06/4,239.94
  6. Step 6: Final answer
    x = 3,579.93

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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.