Home / 1,941.49-2,679.10-1,102

Finding the Fourth Proportional to 1,941.49, 2,679.10 and 1,102

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Solution

The fourth proportional to 1,941.49, 2,679.10 and 1,102 is: 1,520.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.49 : 2,679.10 = 1,102 : x
  2. Step 2: Convert to fraction form
    1,941.49/2,679.10 = 1,102/x
  3. Step 3: Cross multiply
    1,941.49x = 2,679.10 × 1,102
  4. Step 4: Simplify right side
    1,941.49x = 2,952,368.20
  5. Step 5: Solve for x
    x = 2,952,368.20/1,941.49
  6. Step 6: Final answer
    x = 1,520.67

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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.