Home / 1,624.39-2,242.08-961.44

Finding the Fourth Proportional to 1,624.39, 2,242.08 and 961.44

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Solution

The fourth proportional to 1,624.39, 2,242.08 and 961.44 is: 1,327.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.39 : 2,242.08 = 961.44 : x
  2. Step 2: Convert to fraction form
    1,624.39/2,242.08 = 961.44/x
  3. Step 3: Cross multiply
    1,624.39x = 2,242.08 × 961.44
  4. Step 4: Simplify right side
    1,624.39x = 2,155,616.99
  5. Step 5: Solve for x
    x = 2,155,616.99/1,624.39
  6. Step 6: Final answer
    x = 1,327.03

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1.5x scale

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.