Home / 2,631.68-3,615.46-2,355.52

Finding the Fourth Proportional to 2,631.68, 3,615.46 and 2,355.52

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Solution

The fourth proportional to 2,631.68, 3,615.46 and 2,355.52 is: 3,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631.68 : 3,615.46 = 2,355.52 : x
  2. Step 2: Convert to fraction form
    2,631.68/3,615.46 = 2,355.52/x
  3. Step 3: Cross multiply
    2,631.68x = 3,615.46 × 2,355.52
  4. Step 4: Simplify right side
    2,631.68x = 8,516,288.34
  5. Step 5: Solve for x
    x = 8,516,288.34/2,631.68
  6. Step 6: Final answer
    x = 3,236.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.