Home / 1,662.19-2,493.85-1,045.17

Finding the Fourth Proportional to 1,662.19, 2,493.85 and 1,045.17

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Solution

The fourth proportional to 1,662.19, 2,493.85 and 1,045.17 is: 1,568.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662.19 : 2,493.85 = 1,045.17 : x
  2. Step 2: Convert to fraction form
    1,662.19/2,493.85 = 1,045.17/x
  3. Step 3: Cross multiply
    1,662.19x = 2,493.85 × 1,045.17
  4. Step 4: Simplify right side
    1,662.19x = 2,606,497.20
  5. Step 5: Solve for x
    x = 2,606,497.20/1,662.19
  6. Step 6: Final answer
    x = 1,568.11

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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.