Home / 1,488.83-2,231.65-941.17

Finding the Fourth Proportional to 1,488.83, 2,231.65 and 941.17

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Solution

The fourth proportional to 1,488.83, 2,231.65 and 941.17 is: 1,410.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488.83 : 2,231.65 = 941.17 : x
  2. Step 2: Convert to fraction form
    1,488.83/2,231.65 = 941.17/x
  3. Step 3: Cross multiply
    1,488.83x = 2,231.65 × 941.17
  4. Step 4: Simplify right side
    1,488.83x = 2,100,361.81
  5. Step 5: Solve for x
    x = 2,100,361.81/1,488.83
  6. Step 6: Final answer
    x = 1,410.75

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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.