Home / 3,465.20-4,776.51-3,179.18

Finding the Fourth Proportional to 3,465.20, 4,776.51 and 3,179.18

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Solution

The fourth proportional to 3,465.20, 4,776.51 and 3,179.18 is: 4,382.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.20 : 4,776.51 = 3,179.18 : x
  2. Step 2: Convert to fraction form
    3,465.20/4,776.51 = 3,179.18/x
  3. Step 3: Cross multiply
    3,465.20x = 4,776.51 × 3,179.18
  4. Step 4: Simplify right side
    3,465.20x = 15,185,385.06
  5. Step 5: Solve for x
    x = 15,185,385.06/3,465.20
  6. Step 6: Final answer
    x = 4,382.25

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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.