Home / 1,711.74-2,362.21-1,122.27

Finding the Fourth Proportional to 1,711.74, 2,362.21 and 1,122.27

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Solution

The fourth proportional to 1,711.74, 2,362.21 and 1,122.27 is: 1,548.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.74 : 2,362.21 = 1,122.27 : x
  2. Step 2: Convert to fraction form
    1,711.74/2,362.21 = 1,122.27/x
  3. Step 3: Cross multiply
    1,711.74x = 2,362.21 × 1,122.27
  4. Step 4: Simplify right side
    1,711.74x = 2,651,025.61
  5. Step 5: Solve for x
    x = 2,651,025.61/1,711.74
  6. Step 6: Final answer
    x = 1,548.74

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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.