Home / 3,000.05-4,140.08-1,673.77

Finding the Fourth Proportional to 3,000.05, 4,140.08 and 1,673.77

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Solution

The fourth proportional to 3,000.05, 4,140.08 and 1,673.77 is: 2,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.05 : 4,140.08 = 1,673.77 : x
  2. Step 2: Convert to fraction form
    3,000.05/4,140.08 = 1,673.77/x
  3. Step 3: Cross multiply
    3,000.05x = 4,140.08 × 1,673.77
  4. Step 4: Simplify right side
    3,000.05x = 6,929,535.54
  5. Step 5: Solve for x
    x = 6,929,535.54/3,000.05
  6. Step 6: Final answer
    x = 2,309.80

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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.