Home / 2,421.12-3,632.16-882.24

Finding the Fourth Proportional to 2,421.12, 3,632.16 and 882.24

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Solution

The fourth proportional to 2,421.12, 3,632.16 and 882.24 is: 1,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.12 : 3,632.16 = 882.24 : x
  2. Step 2: Convert to fraction form
    2,421.12/3,632.16 = 882.24/x
  3. Step 3: Cross multiply
    2,421.12x = 3,632.16 × 882.24
  4. Step 4: Simplify right side
    2,421.12x = 3,204,436.84
  5. Step 5: Solve for x
    x = 3,204,436.84/2,421.12
  6. Step 6: Final answer
    x = 1,323.53

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1.5x scale

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.