Home / 2,685.51-4,031.22-2,133.77

Finding the Fourth Proportional to 2,685.51, 4,031.22 and 2,133.77

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Solution

The fourth proportional to 2,685.51, 4,031.22 and 2,133.77 is: 3,202.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.51 : 4,031.22 = 2,133.77 : x
  2. Step 2: Convert to fraction form
    2,685.51/4,031.22 = 2,133.77/x
  3. Step 3: Cross multiply
    2,685.51x = 4,031.22 × 2,133.77
  4. Step 4: Simplify right side
    2,685.51x = 8,601,683.26
  5. Step 5: Solve for x
    x = 8,601,683.26/2,685.51
  6. Step 6: Final answer
    x = 3,202.99

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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.