Home / 3,099.09-4,275.53-1,772.09

Finding the Fourth Proportional to 3,099.09, 4,275.53 and 1,772.09

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Solution

The fourth proportional to 3,099.09, 4,275.53 and 1,772.09 is: 2,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.09 : 4,275.53 = 1,772.09 : x
  2. Step 2: Convert to fraction form
    3,099.09/4,275.53 = 1,772.09/x
  3. Step 3: Cross multiply
    3,099.09x = 4,275.53 × 1,772.09
  4. Step 4: Simplify right side
    3,099.09x = 7,576,607.01
  5. Step 5: Solve for x
    x = 7,576,607.01/3,099.09
  6. Step 6: Final answer
    x = 2,444.78

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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.