Home / 3,007.66-4,140.37-2,585.55

Finding the Fourth Proportional to 3,007.66, 4,140.37 and 2,585.55

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Solution

The fourth proportional to 3,007.66, 4,140.37 and 2,585.55 is: 3,559.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.66 : 4,140.37 = 2,585.55 : x
  2. Step 2: Convert to fraction form
    3,007.66/4,140.37 = 2,585.55/x
  3. Step 3: Cross multiply
    3,007.66x = 4,140.37 × 2,585.55
  4. Step 4: Simplify right side
    3,007.66x = 10,705,102.93
  5. Step 5: Solve for x
    x = 10,705,102.93/3,007.66
  6. Step 6: Final answer
    x = 3,559.28

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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.