Home / 1,436.88-2,153.95-462.31

Finding the Fourth Proportional to 1,436.88, 2,153.95 and 462.31

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Solution

The fourth proportional to 1,436.88, 2,153.95 and 462.31 is: 693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436.88 : 2,153.95 = 462.31 : x
  2. Step 2: Convert to fraction form
    1,436.88/2,153.95 = 462.31/x
  3. Step 3: Cross multiply
    1,436.88x = 2,153.95 × 462.31
  4. Step 4: Simplify right side
    1,436.88x = 995,792.62
  5. Step 5: Solve for x
    x = 995,792.62/1,436.88
  6. Step 6: Final answer
    x = 693.02

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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.