Home / 1,416.36-2,124.96-442.60

Finding the Fourth Proportional to 1,416.36, 2,124.96 and 442.60

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Solution

The fourth proportional to 1,416.36, 2,124.96 and 442.60 is: 664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416.36 : 2,124.96 = 442.60 : x
  2. Step 2: Convert to fraction form
    1,416.36/2,124.96 = 442.60/x
  3. Step 3: Cross multiply
    1,416.36x = 2,124.96 × 442.60
  4. Step 4: Simplify right side
    1,416.36x = 940,507.30
  5. Step 5: Solve for x
    x = 940,507.30/1,416.36
  6. Step 6: Final answer
    x = 664.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.