Home / 1,544.93-2,132.29-985.57

Finding the Fourth Proportional to 1,544.93, 2,132.29 and 985.57

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Solution

The fourth proportional to 1,544.93, 2,132.29 and 985.57 is: 1,360.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.93 : 2,132.29 = 985.57 : x
  2. Step 2: Convert to fraction form
    1,544.93/2,132.29 = 985.57/x
  3. Step 3: Cross multiply
    1,544.93x = 2,132.29 × 985.57
  4. Step 4: Simplify right side
    1,544.93x = 2,101,516.13
  5. Step 5: Solve for x
    x = 2,101,516.13/1,544.93
  6. Step 6: Final answer
    x = 1,360.27

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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.