Home / 1,807.28-2,706.84-1,102.60

Finding the Fourth Proportional to 1,807.28, 2,706.84 and 1,102.60

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Solution

The fourth proportional to 1,807.28, 2,706.84 and 1,102.60 is: 1,651.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.28 : 2,706.84 = 1,102.60 : x
  2. Step 2: Convert to fraction form
    1,807.28/2,706.84 = 1,102.60/x
  3. Step 3: Cross multiply
    1,807.28x = 2,706.84 × 1,102.60
  4. Step 4: Simplify right side
    1,807.28x = 2,984,561.78
  5. Step 5: Solve for x
    x = 2,984,561.78/1,807.28
  6. Step 6: Final answer
    x = 1,651.41

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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.