Home / 4,180.66-5,765.63-2,587.05

Finding the Fourth Proportional to 4,180.66, 5,765.63 and 2,587.05

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Solution

The fourth proportional to 4,180.66, 5,765.63 and 2,587.05 is: 3,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.66 : 5,765.63 = 2,587.05 : x
  2. Step 2: Convert to fraction form
    4,180.66/5,765.63 = 2,587.05/x
  3. Step 3: Cross multiply
    4,180.66x = 5,765.63 × 2,587.05
  4. Step 4: Simplify right side
    4,180.66x = 14,915,960.16
  5. Step 5: Solve for x
    x = 14,915,960.16/4,180.66
  6. Step 6: Final answer
    x = 3,567.85

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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.