Home / 1,435.60-2,153.38-462.39

Finding the Fourth Proportional to 1,435.60, 2,153.38 and 462.39

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Solution

The fourth proportional to 1,435.60, 2,153.38 and 462.39 is: 693.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.60 : 2,153.38 = 462.39 : x
  2. Step 2: Convert to fraction form
    1,435.60/2,153.38 = 462.39/x
  3. Step 3: Cross multiply
    1,435.60x = 2,153.38 × 462.39
  4. Step 4: Simplify right side
    1,435.60x = 995,701.38
  5. Step 5: Solve for x
    x = 995,701.38/1,435.60
  6. Step 6: Final answer
    x = 693.58

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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.