Home / 1,558.69-2,334.74-1,260.92

Finding the Fourth Proportional to 1,558.69, 2,334.74 and 1,260.92

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Solution

The fourth proportional to 1,558.69, 2,334.74 and 1,260.92 is: 1,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.69 : 2,334.74 = 1,260.92 : x
  2. Step 2: Convert to fraction form
    1,558.69/2,334.74 = 1,260.92/x
  3. Step 3: Cross multiply
    1,558.69x = 2,334.74 × 1,260.92
  4. Step 4: Simplify right side
    1,558.69x = 2,943,920.36
  5. Step 5: Solve for x
    x = 2,943,920.36/1,558.69
  6. Step 6: Final answer
    x = 1,888.71

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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.