Home / 3,700.12-5,551.31-1,619.14

Finding the Fourth Proportional to 3,700.12, 5,551.31 and 1,619.14

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Solution

The fourth proportional to 3,700.12, 5,551.31 and 1,619.14 is: 2,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.12 : 5,551.31 = 1,619.14 : x
  2. Step 2: Convert to fraction form
    3,700.12/5,551.31 = 1,619.14/x
  3. Step 3: Cross multiply
    3,700.12x = 5,551.31 × 1,619.14
  4. Step 4: Simplify right side
    3,700.12x = 8,988,348.07
  5. Step 5: Solve for x
    x = 8,988,348.07/3,700.12
  6. Step 6: Final answer
    x = 2,429.20

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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.