Home / 1,624.11-2,241.54-961.53

Finding the Fourth Proportional to 1,624.11, 2,241.54 and 961.53

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Solution

The fourth proportional to 1,624.11, 2,241.54 and 961.53 is: 1,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.11 : 2,241.54 = 961.53 : x
  2. Step 2: Convert to fraction form
    1,624.11/2,241.54 = 961.53/x
  3. Step 3: Cross multiply
    1,624.11x = 2,241.54 × 961.53
  4. Step 4: Simplify right side
    1,624.11x = 2,155,307.96
  5. Step 5: Solve for x
    x = 2,155,307.96/1,624.11
  6. Step 6: Final answer
    x = 1,327.07

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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.