Home / 4,178.04-5,765.61-2,289.62

Finding the Fourth Proportional to 4,178.04, 5,765.61 and 2,289.62

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Solution

The fourth proportional to 4,178.04, 5,765.61 and 2,289.62 is: 3,159.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.04 : 5,765.61 = 2,289.62 : x
  2. Step 2: Convert to fraction form
    4,178.04/5,765.61 = 2,289.62/x
  3. Step 3: Cross multiply
    4,178.04x = 5,765.61 × 2,289.62
  4. Step 4: Simplify right side
    4,178.04x = 13,201,018.55
  5. Step 5: Solve for x
    x = 13,201,018.55/4,178.04
  6. Step 6: Final answer
    x = 3,159.62

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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.