Home / 2,530.44-3,490.50-1,869

Finding the Fourth Proportional to 2,530.44, 3,490.50 and 1,869

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Solution

The fourth proportional to 2,530.44, 3,490.50 and 1,869 is: 2,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,530.44 : 3,490.50 = 1,869 : x
  2. Step 2: Convert to fraction form
    2,530.44/3,490.50 = 1,869/x
  3. Step 3: Cross multiply
    2,530.44x = 3,490.50 × 1,869
  4. Step 4: Simplify right side
    2,530.44x = 6,523,744.50
  5. Step 5: Solve for x
    x = 6,523,744.50/2,530.44
  6. Step 6: Final answer
    x = 2,578.11

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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.