Home / 1,542.44-2,130.36-1,124.68

Finding the Fourth Proportional to 1,542.44, 2,130.36 and 1,124.68

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Solution

The fourth proportional to 1,542.44, 2,130.36 and 1,124.68 is: 1,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.44 : 2,130.36 = 1,124.68 : x
  2. Step 2: Convert to fraction form
    1,542.44/2,130.36 = 1,124.68/x
  3. Step 3: Cross multiply
    1,542.44x = 2,130.36 × 1,124.68
  4. Step 4: Simplify right side
    1,542.44x = 2,395,973.28
  5. Step 5: Solve for x
    x = 2,395,973.28/1,542.44
  6. Step 6: Final answer
    x = 1,553.37

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Half 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.