Home / 1,350.81-2,026.49-621.14

Finding the Fourth Proportional to 1,350.81, 2,026.49 and 621.14

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Solution

The fourth proportional to 1,350.81, 2,026.49 and 621.14 is: 931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350.81 : 2,026.49 = 621.14 : x
  2. Step 2: Convert to fraction form
    1,350.81/2,026.49 = 621.14/x
  3. Step 3: Cross multiply
    1,350.81x = 2,026.49 × 621.14
  4. Step 4: Simplify right side
    1,350.81x = 1,258,720.76
  5. Step 5: Solve for x
    x = 1,258,720.76/1,350.81
  6. Step 6: Final answer
    x = 931.83

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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.