Home / 1,711.03-2,371.14-1,678.22

Finding the Fourth Proportional to 1,711.03, 2,371.14 and 1,678.22

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Solution

The fourth proportional to 1,711.03, 2,371.14 and 1,678.22 is: 2,325.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711.03 : 2,371.14 = 1,678.22 : x
  2. Step 2: Convert to fraction form
    1,711.03/2,371.14 = 1,678.22/x
  3. Step 3: Cross multiply
    1,711.03x = 2,371.14 × 1,678.22
  4. Step 4: Simplify right side
    1,711.03x = 3,979,294.57
  5. Step 5: Solve for x
    x = 3,979,294.57/1,711.03
  6. Step 6: Final answer
    x = 2,325.67

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1.5x scale

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.