Home / 2,007.40-2,770.05-1,168.12

Finding the Fourth Proportional to 2,007.40, 2,770.05 and 1,168.12

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Solution

The fourth proportional to 2,007.40, 2,770.05 and 1,168.12 is: 1,611.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.40 : 2,770.05 = 1,168.12 : x
  2. Step 2: Convert to fraction form
    2,007.40/2,770.05 = 1,168.12/x
  3. Step 3: Cross multiply
    2,007.40x = 2,770.05 × 1,168.12
  4. Step 4: Simplify right side
    2,007.40x = 3,235,750.81
  5. Step 5: Solve for x
    x = 3,235,750.81/2,007.40
  6. Step 6: Final answer
    x = 1,611.91

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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.