Home / 1,647.82-2,457.19-1,633.01

Finding the Fourth Proportional to 1,647.82, 2,457.19 and 1,633.01

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Solution

The fourth proportional to 1,647.82, 2,457.19 and 1,633.01 is: 2,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.82 : 2,457.19 = 1,633.01 : x
  2. Step 2: Convert to fraction form
    1,647.82/2,457.19 = 1,633.01/x
  3. Step 3: Cross multiply
    1,647.82x = 2,457.19 × 1,633.01
  4. Step 4: Simplify right side
    1,647.82x = 4,012,599.47
  5. Step 5: Solve for x
    x = 4,012,599.47/1,647.82
  6. Step 6: Final answer
    x = 2,435.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.