Home / 2,649.11-3,969.52-1,004.76

Finding the Fourth Proportional to 2,649.11, 3,969.52 and 1,004.76

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Solution

The fourth proportional to 2,649.11, 3,969.52 and 1,004.76 is: 1,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.11 : 3,969.52 = 1,004.76 : x
  2. Step 2: Convert to fraction form
    2,649.11/3,969.52 = 1,004.76/x
  3. Step 3: Cross multiply
    2,649.11x = 3,969.52 × 1,004.76
  4. Step 4: Simplify right side
    2,649.11x = 3,988,412.40
  5. Step 5: Solve for x
    x = 3,988,412.40/2,649.11
  6. Step 6: Final answer
    x = 1,505.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.