Home / 4,178.63-5,766.36-2,290.16

Finding the Fourth Proportional to 4,178.63, 5,766.36 and 2,290.16

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Solution

The fourth proportional to 4,178.63, 5,766.36 and 2,290.16 is: 3,160.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.63 : 5,766.36 = 2,290.16 : x
  2. Step 2: Convert to fraction form
    4,178.63/5,766.36 = 2,290.16/x
  3. Step 3: Cross multiply
    4,178.63x = 5,766.36 × 2,290.16
  4. Step 4: Simplify right side
    4,178.63x = 13,205,901.43
  5. Step 5: Solve for x
    x = 13,205,901.43/4,178.63
  6. Step 6: Final answer
    x = 3,160.34

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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.