Home / 2,887.70-4,331.64-1,654.53

Finding the Fourth Proportional to 2,887.70, 4,331.64 and 1,654.53

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Solution

The fourth proportional to 2,887.70, 4,331.64 and 1,654.53 is: 2,481.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.70 : 4,331.64 = 1,654.53 : x
  2. Step 2: Convert to fraction form
    2,887.70/4,331.64 = 1,654.53/x
  3. Step 3: Cross multiply
    2,887.70x = 4,331.64 × 1,654.53
  4. Step 4: Simplify right side
    2,887.70x = 7,166,828.33
  5. Step 5: Solve for x
    x = 7,166,828.33/2,887.70
  6. Step 6: Final answer
    x = 2,481.85

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1.5x scale

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.