Home / 2,168.40-3,250.26-1,055.46

Finding the Fourth Proportional to 2,168.40, 3,250.26 and 1,055.46

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Solution

The fourth proportional to 2,168.40, 3,250.26 and 1,055.46 is: 1,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.40 : 3,250.26 = 1,055.46 : x
  2. Step 2: Convert to fraction form
    2,168.40/3,250.26 = 1,055.46/x
  3. Step 3: Cross multiply
    2,168.40x = 3,250.26 × 1,055.46
  4. Step 4: Simplify right side
    2,168.40x = 3,430,519.42
  5. Step 5: Solve for x
    x = 3,430,519.42/2,168.40
  6. Step 6: Final answer
    x = 1,582.05

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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.