Home / 2,690.43-3,712.67-1,495.50

Finding the Fourth Proportional to 2,690.43, 3,712.67 and 1,495.50

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Solution

The fourth proportional to 2,690.43, 3,712.67 and 1,495.50 is: 2,063.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.43 : 3,712.67 = 1,495.50 : x
  2. Step 2: Convert to fraction form
    2,690.43/3,712.67 = 1,495.50/x
  3. Step 3: Cross multiply
    2,690.43x = 3,712.67 × 1,495.50
  4. Step 4: Simplify right side
    2,690.43x = 5,552,297.99
  5. Step 5: Solve for x
    x = 5,552,297.99/2,690.43
  6. Step 6: Final answer
    x = 2,063.72

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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.