Home / 1,421.34-2,132.46-600.30

Finding the Fourth Proportional to 1,421.34, 2,132.46 and 600.30

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Solution

The fourth proportional to 1,421.34, 2,132.46 and 600.30 is: 900.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421.34 : 2,132.46 = 600.30 : x
  2. Step 2: Convert to fraction form
    1,421.34/2,132.46 = 600.30/x
  3. Step 3: Cross multiply
    1,421.34x = 2,132.46 × 600.30
  4. Step 4: Simplify right side
    1,421.34x = 1,280,115.74
  5. Step 5: Solve for x
    x = 1,280,115.74/1,421.34
  6. Step 6: Final answer
    x = 900.64

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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.