Home / 3,750.71-5,618.77-1,804.28

Finding the Fourth Proportional to 3,750.71, 5,618.77 and 1,804.28

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Solution

The fourth proportional to 3,750.71, 5,618.77 and 1,804.28 is: 2,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.71 : 5,618.77 = 1,804.28 : x
  2. Step 2: Convert to fraction form
    3,750.71/5,618.77 = 1,804.28/x
  3. Step 3: Cross multiply
    3,750.71x = 5,618.77 × 1,804.28
  4. Step 4: Simplify right side
    3,750.71x = 10,137,801.73
  5. Step 5: Solve for x
    x = 10,137,801.73/3,750.71
  6. Step 6: Final answer
    x = 2,702.91

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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.