Home / 1,544.16-2,130.96-845.53

Finding the Fourth Proportional to 1,544.16, 2,130.96 and 845.53

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Solution

The fourth proportional to 1,544.16, 2,130.96 and 845.53 is: 1,166.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.16 : 2,130.96 = 845.53 : x
  2. Step 2: Convert to fraction form
    1,544.16/2,130.96 = 845.53/x
  3. Step 3: Cross multiply
    1,544.16x = 2,130.96 × 845.53
  4. Step 4: Simplify right side
    1,544.16x = 1,801,790.61
  5. Step 5: Solve for x
    x = 1,801,790.61/1,544.16
  6. Step 6: Final answer
    x = 1,166.84

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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.