Home / 2,683.13-4,023.37-1,122.67

Finding the Fourth Proportional to 2,683.13, 4,023.37 and 1,122.67

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Solution

The fourth proportional to 2,683.13, 4,023.37 and 1,122.67 is: 1,683.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,683.13 : 4,023.37 = 1,122.67 : x
  2. Step 2: Convert to fraction form
    2,683.13/4,023.37 = 1,122.67/x
  3. Step 3: Cross multiply
    2,683.13x = 4,023.37 × 1,122.67
  4. Step 4: Simplify right side
    2,683.13x = 4,516,916.80
  5. Step 5: Solve for x
    x = 4,516,916.80/2,683.13
  6. Step 6: Final answer
    x = 1,683.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.