Home / 3,276.56-4,916.28-1,085.60

Finding the Fourth Proportional to 3,276.56, 4,916.28 and 1,085.60

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Solution

The fourth proportional to 3,276.56, 4,916.28 and 1,085.60 is: 1,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,276.56 : 4,916.28 = 1,085.60 : x
  2. Step 2: Convert to fraction form
    3,276.56/4,916.28 = 1,085.60/x
  3. Step 3: Cross multiply
    3,276.56x = 4,916.28 × 1,085.60
  4. Step 4: Simplify right side
    3,276.56x = 5,337,113.57
  5. Step 5: Solve for x
    x = 5,337,113.57/3,276.56
  6. Step 6: Final answer
    x = 1,628.88

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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.