Home / 1,534.70-2,118.22-1,063.60

Finding the Fourth Proportional to 1,534.70, 2,118.22 and 1,063.60

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Solution

The fourth proportional to 1,534.70, 2,118.22 and 1,063.60 is: 1,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.70 : 2,118.22 = 1,063.60 : x
  2. Step 2: Convert to fraction form
    1,534.70/2,118.22 = 1,063.60/x
  3. Step 3: Cross multiply
    1,534.70x = 2,118.22 × 1,063.60
  4. Step 4: Simplify right side
    1,534.70x = 2,252,930.84
  5. Step 5: Solve for x
    x = 2,252,930.84/1,534.70
  6. Step 6: Final answer
    x = 1,467.99

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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.