Home / 1,285.01-1,927.82-554.66

Finding the Fourth Proportional to 1,285.01, 1,927.82 and 554.66

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Solution

The fourth proportional to 1,285.01, 1,927.82 and 554.66 is: 832.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285.01 : 1,927.82 = 554.66 : x
  2. Step 2: Convert to fraction form
    1,285.01/1,927.82 = 554.66/x
  3. Step 3: Cross multiply
    1,285.01x = 1,927.82 × 554.66
  4. Step 4: Simplify right side
    1,285.01x = 1,069,284.64
  5. Step 5: Solve for x
    x = 1,069,284.64/1,285.01
  6. Step 6: Final answer
    x = 832.12

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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.