Home / 1,348.30-2,021.92-526.46

Finding the Fourth Proportional to 1,348.30, 2,021.92 and 526.46

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Solution

The fourth proportional to 1,348.30, 2,021.92 and 526.46 is: 789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.30 : 2,021.92 = 526.46 : x
  2. Step 2: Convert to fraction form
    1,348.30/2,021.92 = 526.46/x
  3. Step 3: Cross multiply
    1,348.30x = 2,021.92 × 526.46
  4. Step 4: Simplify right side
    1,348.30x = 1,064,460.00
  5. Step 5: Solve for x
    x = 1,064,460.00/1,348.30
  6. Step 6: Final answer
    x = 789.48

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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.