Home / 2,310.35-3,187.26-1,564.05

Finding the Fourth Proportional to 2,310.35, 3,187.26 and 1,564.05

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Solution

The fourth proportional to 2,310.35, 3,187.26 and 1,564.05 is: 2,157.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.35 : 3,187.26 = 1,564.05 : x
  2. Step 2: Convert to fraction form
    2,310.35/3,187.26 = 1,564.05/x
  3. Step 3: Cross multiply
    2,310.35x = 3,187.26 × 1,564.05
  4. Step 4: Simplify right side
    2,310.35x = 4,985,034.00
  5. Step 5: Solve for x
    x = 4,985,034.00/2,310.35
  6. Step 6: Final answer
    x = 2,157.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.