Home / 2,615.14-3,923.43-1,054.18

Finding the Fourth Proportional to 2,615.14, 3,923.43 and 1,054.18

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Solution

The fourth proportional to 2,615.14, 3,923.43 and 1,054.18 is: 1,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.14 : 3,923.43 = 1,054.18 : x
  2. Step 2: Convert to fraction form
    2,615.14/3,923.43 = 1,054.18/x
  3. Step 3: Cross multiply
    2,615.14x = 3,923.43 × 1,054.18
  4. Step 4: Simplify right side
    2,615.14x = 4,136,001.44
  5. Step 5: Solve for x
    x = 4,136,001.44/2,615.14
  6. Step 6: Final answer
    x = 1,581.56

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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.