Home / 3,922.59-5,883.71-1,325.55

Finding the Fourth Proportional to 3,922.59, 5,883.71 and 1,325.55

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Solution

The fourth proportional to 3,922.59, 5,883.71 and 1,325.55 is: 1,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.59 : 5,883.71 = 1,325.55 : x
  2. Step 2: Convert to fraction form
    3,922.59/5,883.71 = 1,325.55/x
  3. Step 3: Cross multiply
    3,922.59x = 5,883.71 × 1,325.55
  4. Step 4: Simplify right side
    3,922.59x = 7,799,145.16
  5. Step 5: Solve for x
    x = 7,799,145.16/3,922.59
  6. Step 6: Final answer
    x = 1,988.26

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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.