Home / 3,217.53-4,439.55-1,820.01

Finding the Fourth Proportional to 3,217.53, 4,439.55 and 1,820.01

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Solution

The fourth proportional to 3,217.53, 4,439.55 and 1,820.01 is: 2,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.53 : 4,439.55 = 1,820.01 : x
  2. Step 2: Convert to fraction form
    3,217.53/4,439.55 = 1,820.01/x
  3. Step 3: Cross multiply
    3,217.53x = 4,439.55 × 1,820.01
  4. Step 4: Simplify right side
    3,217.53x = 8,080,025.40
  5. Step 5: Solve for x
    x = 8,080,025.40/3,217.53
  6. Step 6: Final answer
    x = 2,511.25

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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.