Home / 1,544.92-2,132.25-985.63

Finding the Fourth Proportional to 1,544.92, 2,132.25 and 985.63

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Solution

The fourth proportional to 1,544.92, 2,132.25 and 985.63 is: 1,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,544.92 : 2,132.25 = 985.63 : x
  2. Step 2: Convert to fraction form
    1,544.92/2,132.25 = 985.63/x
  3. Step 3: Cross multiply
    1,544.92x = 2,132.25 × 985.63
  4. Step 4: Simplify right side
    1,544.92x = 2,101,609.57
  5. Step 5: Solve for x
    x = 2,101,609.57/1,544.92
  6. Step 6: Final answer
    x = 1,360.34

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Half scale
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Double scale
Find fourth proportional to 1,545.92, 2,133.63 and 986.63
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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.