Home / 3,585.80-4,938.18-3,228.68

Finding the Fourth Proportional to 3,585.80, 4,938.18 and 3,228.68

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Solution

The fourth proportional to 3,585.80, 4,938.18 and 3,228.68 is: 4,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.80 : 4,938.18 = 3,228.68 : x
  2. Step 2: Convert to fraction form
    3,585.80/4,938.18 = 3,228.68/x
  3. Step 3: Cross multiply
    3,585.80x = 4,938.18 × 3,228.68
  4. Step 4: Simplify right side
    3,585.80x = 15,943,803.00
  5. Step 5: Solve for x
    x = 15,943,803.00/3,585.80
  6. Step 6: Final answer
    x = 4,446.37

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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.