Home / 3,639.18-5,459.22-1,559.46

Finding the Fourth Proportional to 3,639.18, 5,459.22 and 1,559.46

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Solution

The fourth proportional to 3,639.18, 5,459.22 and 1,559.46 is: 2,339.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.18 : 5,459.22 = 1,559.46 : x
  2. Step 2: Convert to fraction form
    3,639.18/5,459.22 = 1,559.46/x
  3. Step 3: Cross multiply
    3,639.18x = 5,459.22 × 1,559.46
  4. Step 4: Simplify right side
    3,639.18x = 8,513,435.22
  5. Step 5: Solve for x
    x = 8,513,435.22/3,639.18
  6. Step 6: Final answer
    x = 2,339.38

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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.