Home / 1,631.01-2,248.44-1,164.45

Finding the Fourth Proportional to 1,631.01, 2,248.44 and 1,164.45

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Solution

The fourth proportional to 1,631.01, 2,248.44 and 1,164.45 is: 1,605.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631.01 : 2,248.44 = 1,164.45 : x
  2. Step 2: Convert to fraction form
    1,631.01/2,248.44 = 1,164.45/x
  3. Step 3: Cross multiply
    1,631.01x = 2,248.44 × 1,164.45
  4. Step 4: Simplify right side
    1,631.01x = 2,618,195.96
  5. Step 5: Solve for x
    x = 2,618,195.96/1,631.01
  6. Step 6: Final answer
    x = 1,605.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.