Home / 1,768.14-2,440.20-1,069.50

Finding the Fourth Proportional to 1,768.14, 2,440.20 and 1,069.50

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Solution

The fourth proportional to 1,768.14, 2,440.20 and 1,069.50 is: 1,476.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.14 : 2,440.20 = 1,069.50 : x
  2. Step 2: Convert to fraction form
    1,768.14/2,440.20 = 1,069.50/x
  3. Step 3: Cross multiply
    1,768.14x = 2,440.20 × 1,069.50
  4. Step 4: Simplify right side
    1,768.14x = 2,609,793.90
  5. Step 5: Solve for x
    x = 2,609,793.90/1,768.14
  6. Step 6: Final answer
    x = 1,476.01

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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.