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Finding the Fourth Proportional to 2,421.58, 3,630.18 and 882.22

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Solution

The fourth proportional to 2,421.58, 3,630.18 and 882.22 is: 1,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.58 : 3,630.18 = 882.22 : x
  2. Step 2: Convert to fraction form
    2,421.58/3,630.18 = 882.22/x
  3. Step 3: Cross multiply
    2,421.58x = 3,630.18 × 882.22
  4. Step 4: Simplify right side
    2,421.58x = 3,202,617.40
  5. Step 5: Solve for x
    x = 3,202,617.40/2,421.58
  6. Step 6: Final answer
    x = 1,322.53

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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.