Home / 3,000.55-4,140.96-1,674.51

Finding the Fourth Proportional to 3,000.55, 4,140.96 and 1,674.51

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Solution

The fourth proportional to 3,000.55, 4,140.96 and 1,674.51 is: 2,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.55 : 4,140.96 = 1,674.51 : x
  2. Step 2: Convert to fraction form
    3,000.55/4,140.96 = 1,674.51/x
  3. Step 3: Cross multiply
    3,000.55x = 4,140.96 × 1,674.51
  4. Step 4: Simplify right side
    3,000.55x = 6,934,078.93
  5. Step 5: Solve for x
    x = 6,934,078.93/3,000.55
  6. Step 6: Final answer
    x = 2,310.94

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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.