Home / 1,544.14-2,130.88-845.50

Finding the Fourth Proportional to 1,544.14, 2,130.88 and 845.50

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Solution

The fourth proportional to 1,544.14, 2,130.88 and 845.50 is: 1,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.14 : 2,130.88 = 845.50 : x
  2. Step 2: Convert to fraction form
    1,544.14/2,130.88 = 845.50/x
  3. Step 3: Cross multiply
    1,544.14x = 2,130.88 × 845.50
  4. Step 4: Simplify right side
    1,544.14x = 1,801,659.04
  5. Step 5: Solve for x
    x = 1,801,659.04/1,544.14
  6. Step 6: Final answer
    x = 1,166.77

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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.