Home / 1,629.90-2,444.86-397.32

Finding the Fourth Proportional to 1,629.90, 2,444.86 and 397.32

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Solution

The fourth proportional to 1,629.90, 2,444.86 and 397.32 is: 595.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629.90 : 2,444.86 = 397.32 : x
  2. Step 2: Convert to fraction form
    1,629.90/2,444.86 = 397.32/x
  3. Step 3: Cross multiply
    1,629.90x = 2,444.86 × 397.32
  4. Step 4: Simplify right side
    1,629.90x = 971,391.78
  5. Step 5: Solve for x
    x = 971,391.78/1,629.90
  6. Step 6: Final answer
    x = 595.98

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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.