Home / 1,814.24-2,503.52-1,115.62

Finding the Fourth Proportional to 1,814.24, 2,503.52 and 1,115.62

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Solution

The fourth proportional to 1,814.24, 2,503.52 and 1,115.62 is: 1,539.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814.24 : 2,503.52 = 1,115.62 : x
  2. Step 2: Convert to fraction form
    1,814.24/2,503.52 = 1,115.62/x
  3. Step 3: Cross multiply
    1,814.24x = 2,503.52 × 1,115.62
  4. Step 4: Simplify right side
    1,814.24x = 2,792,976.98
  5. Step 5: Solve for x
    x = 2,792,976.98/1,814.24
  6. Step 6: Final answer
    x = 1,539.47

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1.5x scale

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.