Home / 1,559.65-2,152.27-1,027.88

Finding the Fourth Proportional to 1,559.65, 2,152.27 and 1,027.88

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Solution

The fourth proportional to 1,559.65, 2,152.27 and 1,027.88 is: 1,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.65 : 2,152.27 = 1,027.88 : x
  2. Step 2: Convert to fraction form
    1,559.65/2,152.27 = 1,027.88/x
  3. Step 3: Cross multiply
    1,559.65x = 2,152.27 × 1,027.88
  4. Step 4: Simplify right side
    1,559.65x = 2,212,270.15
  5. Step 5: Solve for x
    x = 2,212,270.15/1,559.65
  6. Step 6: Final answer
    x = 1,418.44

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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.