Home / 3,080.47-4,623.13-1,436.17

Finding the Fourth Proportional to 3,080.47, 4,623.13 and 1,436.17

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Solution

The fourth proportional to 3,080.47, 4,623.13 and 1,436.17 is: 2,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.47 : 4,623.13 = 1,436.17 : x
  2. Step 2: Convert to fraction form
    3,080.47/4,623.13 = 1,436.17/x
  3. Step 3: Cross multiply
    3,080.47x = 4,623.13 × 1,436.17
  4. Step 4: Simplify right side
    3,080.47x = 6,639,577.50
  5. Step 5: Solve for x
    x = 6,639,577.50/3,080.47
  6. Step 6: Final answer
    x = 2,155.38

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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.