Home / 1,354.13-2,026.78-736.30

Finding the Fourth Proportional to 1,354.13, 2,026.78 and 736.30

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Solution

The fourth proportional to 1,354.13, 2,026.78 and 736.30 is: 1,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354.13 : 2,026.78 = 736.30 : x
  2. Step 2: Convert to fraction form
    1,354.13/2,026.78 = 736.30/x
  3. Step 3: Cross multiply
    1,354.13x = 2,026.78 × 736.30
  4. Step 4: Simplify right side
    1,354.13x = 1,492,318.11
  5. Step 5: Solve for x
    x = 1,492,318.11/1,354.13
  6. Step 6: Final answer
    x = 1,102.05

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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.