Home / 3,585.21-5,372.96-1,855.05

Finding the Fourth Proportional to 3,585.21, 5,372.96 and 1,855.05

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Solution

The fourth proportional to 3,585.21, 5,372.96 and 1,855.05 is: 2,780.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.21 : 5,372.96 = 1,855.05 : x
  2. Step 2: Convert to fraction form
    3,585.21/5,372.96 = 1,855.05/x
  3. Step 3: Cross multiply
    3,585.21x = 5,372.96 × 1,855.05
  4. Step 4: Simplify right side
    3,585.21x = 9,967,100.17
  5. Step 5: Solve for x
    x = 9,967,100.17/3,585.21
  6. Step 6: Final answer
    x = 2,780.06

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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.