Home / 1,436.42-2,154.14-462.30

Finding the Fourth Proportional to 1,436.42, 2,154.14 and 462.30

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Solution

The fourth proportional to 1,436.42, 2,154.14 and 462.30 is: 693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.42 : 2,154.14 = 462.30 : x
  2. Step 2: Convert to fraction form
    1,436.42/2,154.14 = 462.30/x
  3. Step 3: Cross multiply
    1,436.42x = 2,154.14 × 462.30
  4. Step 4: Simplify right side
    1,436.42x = 995,860.08
  5. Step 5: Solve for x
    x = 995,860.08/1,436.42
  6. Step 6: Final answer
    x = 693.30

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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.