Home / 2,649.45-3,672.99-2,509.02

Finding the Fourth Proportional to 2,649.45, 3,672.99 and 2,509.02

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Solution

The fourth proportional to 2,649.45, 3,672.99 and 2,509.02 is: 3,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,649.45 : 3,672.99 = 2,509.02 : x
  2. Step 2: Convert to fraction form
    2,649.45/3,672.99 = 2,509.02/x
  3. Step 3: Cross multiply
    2,649.45x = 3,672.99 × 2,509.02
  4. Step 4: Simplify right side
    2,649.45x = 9,215,605.37
  5. Step 5: Solve for x
    x = 9,215,605.37/2,649.45
  6. Step 6: Final answer
    x = 3,478.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.