Home / 4,239.84-5,849.28-2,645.60

Finding the Fourth Proportional to 4,239.84, 5,849.28 and 2,645.60

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Solution

The fourth proportional to 4,239.84, 5,849.28 and 2,645.60 is: 3,649.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.84 : 5,849.28 = 2,645.60 : x
  2. Step 2: Convert to fraction form
    4,239.84/5,849.28 = 2,645.60/x
  3. Step 3: Cross multiply
    4,239.84x = 5,849.28 × 2,645.60
  4. Step 4: Simplify right side
    4,239.84x = 15,474,855.17
  5. Step 5: Solve for x
    x = 15,474,855.17/4,239.84
  6. Step 6: Final answer
    x = 3,649.87

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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.