Home / 1,690.85-2,536.99-1,554.62

Finding the Fourth Proportional to 1,690.85, 2,536.99 and 1,554.62

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Solution

The fourth proportional to 1,690.85, 2,536.99 and 1,554.62 is: 2,332.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690.85 : 2,536.99 = 1,554.62 : x
  2. Step 2: Convert to fraction form
    1,690.85/2,536.99 = 1,554.62/x
  3. Step 3: Cross multiply
    1,690.85x = 2,536.99 × 1,554.62
  4. Step 4: Simplify right side
    1,690.85x = 3,944,057.85
  5. Step 5: Solve for x
    x = 3,944,057.85/1,690.85
  6. Step 6: Final answer
    x = 2,332.59

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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.