Home / 3,378.47-5,070.31-2,208.16

Finding the Fourth Proportional to 3,378.47, 5,070.31 and 2,208.16

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Solution

The fourth proportional to 3,378.47, 5,070.31 and 2,208.16 is: 3,313.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,378.47 : 5,070.31 = 2,208.16 : x
  2. Step 2: Convert to fraction form
    3,378.47/5,070.31 = 2,208.16/x
  3. Step 3: Cross multiply
    3,378.47x = 5,070.31 × 2,208.16
  4. Step 4: Simplify right side
    3,378.47x = 11,196,037.53
  5. Step 5: Solve for x
    x = 11,196,037.53/3,378.47
  6. Step 6: Final answer
    x = 3,313.93

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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.