Home / 1,868.63-2,578.85-1,082.67

Finding the Fourth Proportional to 1,868.63, 2,578.85 and 1,082.67

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Solution

The fourth proportional to 1,868.63, 2,578.85 and 1,082.67 is: 1,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.63 : 2,578.85 = 1,082.67 : x
  2. Step 2: Convert to fraction form
    1,868.63/2,578.85 = 1,082.67/x
  3. Step 3: Cross multiply
    1,868.63x = 2,578.85 × 1,082.67
  4. Step 4: Simplify right side
    1,868.63x = 2,792,053.10
  5. Step 5: Solve for x
    x = 2,792,053.10/1,868.63
  6. Step 6: Final answer
    x = 1,494.18

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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.