Home / 1,892.34-2,611.44-1,053.12

Finding the Fourth Proportional to 1,892.34, 2,611.44 and 1,053.12

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Solution

The fourth proportional to 1,892.34, 2,611.44 and 1,053.12 is: 1,453.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892.34 : 2,611.44 = 1,053.12 : x
  2. Step 2: Convert to fraction form
    1,892.34/2,611.44 = 1,053.12/x
  3. Step 3: Cross multiply
    1,892.34x = 2,611.44 × 1,053.12
  4. Step 4: Simplify right side
    1,892.34x = 2,750,159.69
  5. Step 5: Solve for x
    x = 2,750,159.69/1,892.34
  6. Step 6: Final answer
    x = 1,453.31

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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.