Home / 1,629.75-2,444.64-397.16

Finding the Fourth Proportional to 1,629.75, 2,444.64 and 397.16

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Solution

The fourth proportional to 1,629.75, 2,444.64 and 397.16 is: 595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.75 : 2,444.64 = 397.16 : x
  2. Step 2: Convert to fraction form
    1,629.75/2,444.64 = 397.16/x
  3. Step 3: Cross multiply
    1,629.75x = 2,444.64 × 397.16
  4. Step 4: Simplify right side
    1,629.75x = 970,901.00
  5. Step 5: Solve for x
    x = 970,901.00/1,629.75
  6. Step 6: Final answer
    x = 595.74

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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.