Home / 3,256.16-4,884.60-947.84

Finding the Fourth Proportional to 3,256.16, 4,884.60 and 947.84

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Solution

The fourth proportional to 3,256.16, 4,884.60 and 947.84 is: 1,421.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,256.16 : 4,884.60 = 947.84 : x
  2. Step 2: Convert to fraction form
    3,256.16/4,884.60 = 947.84/x
  3. Step 3: Cross multiply
    3,256.16x = 4,884.60 × 947.84
  4. Step 4: Simplify right side
    3,256.16x = 4,629,819.26
  5. Step 5: Solve for x
    x = 4,629,819.26/3,256.16
  6. Step 6: Final answer
    x = 1,421.86

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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.