Home / 1,360.38-2,041.30-630.02

Finding the Fourth Proportional to 1,360.38, 2,041.30 and 630.02

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Solution

The fourth proportional to 1,360.38, 2,041.30 and 630.02 is: 945.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360.38 : 2,041.30 = 630.02 : x
  2. Step 2: Convert to fraction form
    1,360.38/2,041.30 = 630.02/x
  3. Step 3: Cross multiply
    1,360.38x = 2,041.30 × 630.02
  4. Step 4: Simplify right side
    1,360.38x = 1,286,059.83
  5. Step 5: Solve for x
    x = 1,286,059.83/1,360.38
  6. Step 6: Final answer
    x = 945.37

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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.