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Finding the Fourth Proportional to 3,751.95, 5,629.68 and 1,804.17

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Solution

The fourth proportional to 3,751.95, 5,629.68 and 1,804.17 is: 2,707.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.95 : 5,629.68 = 1,804.17 : x
  2. Step 2: Convert to fraction form
    3,751.95/5,629.68 = 1,804.17/x
  3. Step 3: Cross multiply
    3,751.95x = 5,629.68 × 1,804.17
  4. Step 4: Simplify right side
    3,751.95x = 10,156,899.77
  5. Step 5: Solve for x
    x = 10,156,899.77/3,751.95
  6. Step 6: Final answer
    x = 2,707.10

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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.