Home / 1,690.04-2,318.17-1,662.52

Finding the Fourth Proportional to 1,690.04, 2,318.17 and 1,662.52

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Solution

The fourth proportional to 1,690.04, 2,318.17 and 1,662.52 is: 2,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.04 : 2,318.17 = 1,662.52 : x
  2. Step 2: Convert to fraction form
    1,690.04/2,318.17 = 1,662.52/x
  3. Step 3: Cross multiply
    1,690.04x = 2,318.17 × 1,662.52
  4. Step 4: Simplify right side
    1,690.04x = 3,854,003.99
  5. Step 5: Solve for x
    x = 3,854,003.99/1,690.04
  6. Step 6: Final answer
    x = 2,280.42

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.