Home / 1,624.02-2,435.56-453.75

Finding the Fourth Proportional to 1,624.02, 2,435.56 and 453.75

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Solution

The fourth proportional to 1,624.02, 2,435.56 and 453.75 is: 680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.02 : 2,435.56 = 453.75 : x
  2. Step 2: Convert to fraction form
    1,624.02/2,435.56 = 453.75/x
  3. Step 3: Cross multiply
    1,624.02x = 2,435.56 × 453.75
  4. Step 4: Simplify right side
    1,624.02x = 1,105,122.73
  5. Step 5: Solve for x
    x = 1,105,122.73/1,624.02
  6. Step 6: Final answer
    x = 680.48

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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.