Home / 1,847.42-2,548.13-1,100.80

Finding the Fourth Proportional to 1,847.42, 2,548.13 and 1,100.80

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Solution

The fourth proportional to 1,847.42, 2,548.13 and 1,100.80 is: 1,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.42 : 2,548.13 = 1,100.80 : x
  2. Step 2: Convert to fraction form
    1,847.42/2,548.13 = 1,100.80/x
  3. Step 3: Cross multiply
    1,847.42x = 2,548.13 × 1,100.80
  4. Step 4: Simplify right side
    1,847.42x = 2,804,981.50
  5. Step 5: Solve for x
    x = 2,804,981.50/1,847.42
  6. Step 6: Final answer
    x = 1,518.32

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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.