Home / 4,178.79-5,765.94-2,386.26

Finding the Fourth Proportional to 4,178.79, 5,765.94 and 2,386.26

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Solution

The fourth proportional to 4,178.79, 5,765.94 and 2,386.26 is: 3,292.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.79 : 5,765.94 = 2,386.26 : x
  2. Step 2: Convert to fraction form
    4,178.79/5,765.94 = 2,386.26/x
  3. Step 3: Cross multiply
    4,178.79x = 5,765.94 × 2,386.26
  4. Step 4: Simplify right side
    4,178.79x = 13,759,031.98
  5. Step 5: Solve for x
    x = 13,759,031.98/4,178.79
  6. Step 6: Final answer
    x = 3,292.59

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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.