Home / 1,711.24-2,371.27-1,607.20

Finding the Fourth Proportional to 1,711.24, 2,371.27 and 1,607.20

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Solution

The fourth proportional to 1,711.24, 2,371.27 and 1,607.20 is: 2,227.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.24 : 2,371.27 = 1,607.20 : x
  2. Step 2: Convert to fraction form
    1,711.24/2,371.27 = 1,607.20/x
  3. Step 3: Cross multiply
    1,711.24x = 2,371.27 × 1,607.20
  4. Step 4: Simplify right side
    1,711.24x = 3,811,085.25
  5. Step 5: Solve for x
    x = 3,811,085.25/1,711.24
  6. Step 6: Final answer
    x = 2,227.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.