Home / 1,629.64-2,444.46-397.05

Finding the Fourth Proportional to 1,629.64, 2,444.46 and 397.05

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Solution

The fourth proportional to 1,629.64, 2,444.46 and 397.05 is: 595.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.64 : 2,444.46 = 397.05 : x
  2. Step 2: Convert to fraction form
    1,629.64/2,444.46 = 397.05/x
  3. Step 3: Cross multiply
    1,629.64x = 2,444.46 × 397.05
  4. Step 4: Simplify right side
    1,629.64x = 970,572.84
  5. Step 5: Solve for x
    x = 970,572.84/1,629.64
  6. Step 6: Final answer
    x = 595.58

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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.