Home / 1,027.80-1,541.99-297.45

Finding the Fourth Proportional to 1,027.80, 1,541.99 and 297.45

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Solution

The fourth proportional to 1,027.80, 1,541.99 and 297.45 is: 446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.80 : 1,541.99 = 297.45 : x
  2. Step 2: Convert to fraction form
    1,027.80/1,541.99 = 297.45/x
  3. Step 3: Cross multiply
    1,027.80x = 1,541.99 × 297.45
  4. Step 4: Simplify right side
    1,027.80x = 458,663.44
  5. Step 5: Solve for x
    x = 458,663.44/1,027.80
  6. Step 6: Final answer
    x = 446.26

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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.