Home / 2,504.47-3,455.97-1,385.41

Finding the Fourth Proportional to 2,504.47, 3,455.97 and 1,385.41

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Solution

The fourth proportional to 2,504.47, 3,455.97 and 1,385.41 is: 1,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.47 : 3,455.97 = 1,385.41 : x
  2. Step 2: Convert to fraction form
    2,504.47/3,455.97 = 1,385.41/x
  3. Step 3: Cross multiply
    2,504.47x = 3,455.97 × 1,385.41
  4. Step 4: Simplify right side
    2,504.47x = 4,787,935.40
  5. Step 5: Solve for x
    x = 4,787,935.40/2,504.47
  6. Step 6: Final answer
    x = 1,911.76

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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.