Home / 3,099.23-4,275.89-1,771.99

Finding the Fourth Proportional to 3,099.23, 4,275.89 and 1,771.99

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Solution

The fourth proportional to 3,099.23, 4,275.89 and 1,771.99 is: 2,444.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.23 : 4,275.89 = 1,771.99 : x
  2. Step 2: Convert to fraction form
    3,099.23/4,275.89 = 1,771.99/x
  3. Step 3: Cross multiply
    3,099.23x = 4,275.89 × 1,771.99
  4. Step 4: Simplify right side
    3,099.23x = 7,576,821.42
  5. Step 5: Solve for x
    x = 7,576,821.42/3,099.23
  6. Step 6: Final answer
    x = 2,444.74

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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.