Home / 1,645.02-2,467.77-549.18

Finding the Fourth Proportional to 1,645.02, 2,467.77 and 549.18

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Solution

The fourth proportional to 1,645.02, 2,467.77 and 549.18 is: 823.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.02 : 2,467.77 = 549.18 : x
  2. Step 2: Convert to fraction form
    1,645.02/2,467.77 = 549.18/x
  3. Step 3: Cross multiply
    1,645.02x = 2,467.77 × 549.18
  4. Step 4: Simplify right side
    1,645.02x = 1,355,249.93
  5. Step 5: Solve for x
    x = 1,355,249.93/1,645.02
  6. Step 6: Final answer
    x = 823.85

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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.