Home / 2,626.09-3,937.99-1,393.22

Finding the Fourth Proportional to 2,626.09, 3,937.99 and 1,393.22

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Solution

The fourth proportional to 2,626.09, 3,937.99 and 1,393.22 is: 2,089.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,626.09 : 3,937.99 = 1,393.22 : x
  2. Step 2: Convert to fraction form
    2,626.09/3,937.99 = 1,393.22/x
  3. Step 3: Cross multiply
    2,626.09x = 3,937.99 × 1,393.22
  4. Step 4: Simplify right side
    2,626.09x = 5,486,479.46
  5. Step 5: Solve for x
    x = 5,486,479.46/2,626.09
  6. Step 6: Final answer
    x = 2,089.22

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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.