Home / 1,450.60-2,176.14-424.84

Finding the Fourth Proportional to 1,450.60, 2,176.14 and 424.84

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Solution

The fourth proportional to 1,450.60, 2,176.14 and 424.84 is: 637.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.60 : 2,176.14 = 424.84 : x
  2. Step 2: Convert to fraction form
    1,450.60/2,176.14 = 424.84/x
  3. Step 3: Cross multiply
    1,450.60x = 2,176.14 × 424.84
  4. Step 4: Simplify right side
    1,450.60x = 924,511.32
  5. Step 5: Solve for x
    x = 924,511.32/1,450.60
  6. Step 6: Final answer
    x = 637.33

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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.