Home / 3,405.97-5,108.58-1,184.40

Finding the Fourth Proportional to 3,405.97, 5,108.58 and 1,184.40

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Solution

The fourth proportional to 3,405.97, 5,108.58 and 1,184.40 is: 1,776.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.97 : 5,108.58 = 1,184.40 : x
  2. Step 2: Convert to fraction form
    3,405.97/5,108.58 = 1,184.40/x
  3. Step 3: Cross multiply
    3,405.97x = 5,108.58 × 1,184.40
  4. Step 4: Simplify right side
    3,405.97x = 6,050,602.15
  5. Step 5: Solve for x
    x = 6,050,602.15/3,405.97
  6. Step 6: Final answer
    x = 1,776.47

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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.