Home / 2,615.93-3,924.70-1,229.21

Finding the Fourth Proportional to 2,615.93, 3,924.70 and 1,229.21

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Solution

The fourth proportional to 2,615.93, 3,924.70 and 1,229.21 is: 1,844.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,615.93 : 3,924.70 = 1,229.21 : x
  2. Step 2: Convert to fraction form
    2,615.93/3,924.70 = 1,229.21/x
  3. Step 3: Cross multiply
    2,615.93x = 3,924.70 × 1,229.21
  4. Step 4: Simplify right side
    2,615.93x = 4,824,254.72
  5. Step 5: Solve for x
    x = 4,824,254.72/2,615.93
  6. Step 6: Final answer
    x = 1,844.19

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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.