Home / 4,338.24-5,980.32-3,405.12

Finding the Fourth Proportional to 4,338.24, 5,980.32 and 3,405.12

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Solution

The fourth proportional to 4,338.24, 5,980.32 and 3,405.12 is: 4,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,338.24 : 5,980.32 = 3,405.12 : x
  2. Step 2: Convert to fraction form
    4,338.24/5,980.32 = 3,405.12/x
  3. Step 3: Cross multiply
    4,338.24x = 5,980.32 × 3,405.12
  4. Step 4: Simplify right side
    4,338.24x = 20,363,707.24
  5. Step 5: Solve for x
    x = 20,363,707.24/4,338.24
  6. Step 6: Final answer
    x = 4,694.00

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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.