Home / 2,752.58-4,118.52-1,637.90

Finding the Fourth Proportional to 2,752.58, 4,118.52 and 1,637.90

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Solution

The fourth proportional to 2,752.58, 4,118.52 and 1,637.90 is: 2,450.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752.58 : 4,118.52 = 1,637.90 : x
  2. Step 2: Convert to fraction form
    2,752.58/4,118.52 = 1,637.90/x
  3. Step 3: Cross multiply
    2,752.58x = 4,118.52 × 1,637.90
  4. Step 4: Simplify right side
    2,752.58x = 6,745,703.32
  5. Step 5: Solve for x
    x = 6,745,703.32/2,752.58
  6. Step 6: Final answer
    x = 2,450.68

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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.