Home / 1,559.24-2,338.59-854.70

Finding the Fourth Proportional to 1,559.24, 2,338.59 and 854.70

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Solution

The fourth proportional to 1,559.24, 2,338.59 and 854.70 is: 1,281.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.24 : 2,338.59 = 854.70 : x
  2. Step 2: Convert to fraction form
    1,559.24/2,338.59 = 854.70/x
  3. Step 3: Cross multiply
    1,559.24x = 2,338.59 × 854.70
  4. Step 4: Simplify right side
    1,559.24x = 1,998,792.87
  5. Step 5: Solve for x
    x = 1,998,792.87/1,559.24
  6. Step 6: Final answer
    x = 1,281.91

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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.