Home / 3,504.21-5,258.36-1,531.12

Finding the Fourth Proportional to 3,504.21, 5,258.36 and 1,531.12

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Solution

The fourth proportional to 3,504.21, 5,258.36 and 1,531.12 is: 2,297.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.21 : 5,258.36 = 1,531.12 : x
  2. Step 2: Convert to fraction form
    3,504.21/5,258.36 = 1,531.12/x
  3. Step 3: Cross multiply
    3,504.21x = 5,258.36 × 1,531.12
  4. Step 4: Simplify right side
    3,504.21x = 8,051,159.36
  5. Step 5: Solve for x
    x = 8,051,159.36/3,504.21
  6. Step 6: Final answer
    x = 2,297.57

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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.