Home / 1,090.16-1,634.56-473.52

Finding the Fourth Proportional to 1,090.16, 1,634.56 and 473.52

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Solution

The fourth proportional to 1,090.16, 1,634.56 and 473.52 is: 709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090.16 : 1,634.56 = 473.52 : x
  2. Step 2: Convert to fraction form
    1,090.16/1,634.56 = 473.52/x
  3. Step 3: Cross multiply
    1,090.16x = 1,634.56 × 473.52
  4. Step 4: Simplify right side
    1,090.16x = 773,996.85
  5. Step 5: Solve for x
    x = 773,996.85/1,090.16
  6. Step 6: Final answer
    x = 709.98

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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.