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Finding the Fourth Proportional to 1,605.04, 2,404.92 and 1,256.92

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Solution

The fourth proportional to 1,605.04, 2,404.92 and 1,256.92 is: 1,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605.04 : 2,404.92 = 1,256.92 : x
  2. Step 2: Convert to fraction form
    1,605.04/2,404.92 = 1,256.92/x
  3. Step 3: Cross multiply
    1,605.04x = 2,404.92 × 1,256.92
  4. Step 4: Simplify right side
    1,605.04x = 3,022,792.05
  5. Step 5: Solve for x
    x = 3,022,792.05/1,605.04
  6. Step 6: Final answer
    x = 1,883.31

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1.5x scale

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.