Home / 1,599.25-2,206.98-1,318.45

Finding the Fourth Proportional to 1,599.25, 2,206.98 and 1,318.45

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Solution

The fourth proportional to 1,599.25, 2,206.98 and 1,318.45 is: 1,819.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.25 : 2,206.98 = 1,318.45 : x
  2. Step 2: Convert to fraction form
    1,599.25/2,206.98 = 1,318.45/x
  3. Step 3: Cross multiply
    1,599.25x = 2,206.98 × 1,318.45
  4. Step 4: Simplify right side
    1,599.25x = 2,909,792.78
  5. Step 5: Solve for x
    x = 2,909,792.78/1,599.25
  6. Step 6: Final answer
    x = 1,819.47

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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.