Home / 2,624.20-3,621.38-1,955.00

Finding the Fourth Proportional to 2,624.20, 3,621.38 and 1,955.00

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Solution

The fourth proportional to 2,624.20, 3,621.38 and 1,955.00 is: 2,697.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,624.20 : 3,621.38 = 1,955.00 : x
  2. Step 2: Convert to fraction form
    2,624.20/3,621.38 = 1,955.00/x
  3. Step 3: Cross multiply
    2,624.20x = 3,621.38 × 1,955.00
  4. Step 4: Simplify right side
    2,624.20x = 7,079,797.18
  5. Step 5: Solve for x
    x = 7,079,797.18/2,624.20
  6. Step 6: Final answer
    x = 2,697.89

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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.