Home / 3,642.09-5,459.22-1,885.32

Finding the Fourth Proportional to 3,642.09, 5,459.22 and 1,885.32

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Solution

The fourth proportional to 3,642.09, 5,459.22 and 1,885.32 is: 2,825.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.09 : 5,459.22 = 1,885.32 : x
  2. Step 2: Convert to fraction form
    3,642.09/5,459.22 = 1,885.32/x
  3. Step 3: Cross multiply
    3,642.09x = 5,459.22 × 1,885.32
  4. Step 4: Simplify right side
    3,642.09x = 10,292,376.65
  5. Step 5: Solve for x
    x = 10,292,376.65/3,642.09
  6. Step 6: Final answer
    x = 2,825.95

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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.