Home / 1,542.44-2,127.86-944.75

Finding the Fourth Proportional to 1,542.44, 2,127.86 and 944.75

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Solution

The fourth proportional to 1,542.44, 2,127.86 and 944.75 is: 1,303.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.44 : 2,127.86 = 944.75 : x
  2. Step 2: Convert to fraction form
    1,542.44/2,127.86 = 944.75/x
  3. Step 3: Cross multiply
    1,542.44x = 2,127.86 × 944.75
  4. Step 4: Simplify right side
    1,542.44x = 2,010,299.87
  5. Step 5: Solve for x
    x = 2,010,299.87/1,542.44
  6. Step 6: Final answer
    x = 1,303.32

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Half scale
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Double scale
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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.