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Finding the Fourth Proportional to 2,504.45, 3,454.02 and 1,509.51

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Solution

The fourth proportional to 2,504.45, 3,454.02 and 1,509.51 is: 2,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.45 : 3,454.02 = 1,509.51 : x
  2. Step 2: Convert to fraction form
    2,504.45/3,454.02 = 1,509.51/x
  3. Step 3: Cross multiply
    2,504.45x = 3,454.02 × 1,509.51
  4. Step 4: Simplify right side
    2,504.45x = 5,213,877.73
  5. Step 5: Solve for x
    x = 5,213,877.73/2,504.45
  6. Step 6: Final answer
    x = 2,081.84

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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.