Home / 3,256.10-4,884.60-1,281.35

Finding the Fourth Proportional to 3,256.10, 4,884.60 and 1,281.35

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Solution

The fourth proportional to 3,256.10, 4,884.60 and 1,281.35 is: 1,922.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.10 : 4,884.60 = 1,281.35 : x
  2. Step 2: Convert to fraction form
    3,256.10/4,884.60 = 1,281.35/x
  3. Step 3: Cross multiply
    3,256.10x = 4,884.60 × 1,281.35
  4. Step 4: Simplify right side
    3,256.10x = 6,258,882.21
  5. Step 5: Solve for x
    x = 6,258,882.21/3,256.10
  6. Step 6: Final answer
    x = 1,922.20

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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.