Home / 2,624.87-3,621.30-1,505.40

Finding the Fourth Proportional to 2,624.87, 3,621.30 and 1,505.40

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Solution

The fourth proportional to 2,624.87, 3,621.30 and 1,505.40 is: 2,076.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.87 : 3,621.30 = 1,505.40 : x
  2. Step 2: Convert to fraction form
    2,624.87/3,621.30 = 1,505.40/x
  3. Step 3: Cross multiply
    2,624.87x = 3,621.30 × 1,505.40
  4. Step 4: Simplify right side
    2,624.87x = 5,451,505.02
  5. Step 5: Solve for x
    x = 5,451,505.02/2,624.87
  6. Step 6: Final answer
    x = 2,076.87

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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.