Home / 1,559.56-2,153.46-1,063.24

Finding the Fourth Proportional to 1,559.56, 2,153.46 and 1,063.24

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Solution

The fourth proportional to 1,559.56, 2,153.46 and 1,063.24 is: 1,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559.56 : 2,153.46 = 1,063.24 : x
  2. Step 2: Convert to fraction form
    1,559.56/2,153.46 = 1,063.24/x
  3. Step 3: Cross multiply
    1,559.56x = 2,153.46 × 1,063.24
  4. Step 4: Simplify right side
    1,559.56x = 2,289,644.81
  5. Step 5: Solve for x
    x = 2,289,644.81/1,559.56
  6. Step 6: Final answer
    x = 1,468.14

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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.