Home / 3,531.21-4,873.10-2,485.10

Finding the Fourth Proportional to 3,531.21, 4,873.10 and 2,485.10

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Solution

The fourth proportional to 3,531.21, 4,873.10 and 2,485.10 is: 3,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531.21 : 4,873.10 = 2,485.10 : x
  2. Step 2: Convert to fraction form
    3,531.21/4,873.10 = 2,485.10/x
  3. Step 3: Cross multiply
    3,531.21x = 4,873.10 × 2,485.10
  4. Step 4: Simplify right side
    3,531.21x = 12,110,104.02
  5. Step 5: Solve for x
    x = 12,110,104.02/3,531.21
  6. Step 6: Final answer
    x = 3,429.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.