Home / 1,618.98-2,217.99-1,560.66

Finding the Fourth Proportional to 1,618.98, 2,217.99 and 1,560.66

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Solution

The fourth proportional to 1,618.98, 2,217.99 and 1,560.66 is: 2,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618.98 : 2,217.99 = 1,560.66 : x
  2. Step 2: Convert to fraction form
    1,618.98/2,217.99 = 1,560.66/x
  3. Step 3: Cross multiply
    1,618.98x = 2,217.99 × 1,560.66
  4. Step 4: Simplify right side
    1,618.98x = 3,461,528.27
  5. Step 5: Solve for x
    x = 3,461,528.27/1,618.98
  6. Step 6: Final answer
    x = 2,138.09

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.